He and She are engaged. They attend a common friends engagement. First time, after engagement, they are attending a engagement together. As they enter the wedding hall, they give flowers to people at the entrance. He also takes a rose. The girl who is distributing the flowers is quite surprised, giggles and goes away

He: Andha poNNu enna loose aa?
She: Nee dhaan loose
He: Huh? Naan enna pannen ippo?
She: Unnai evan rose edukka sonnan?
He: Ayye. Naan engagement paiyanoda vayasula periyavan
She: So?
He: So, aasirvadham panna flower eduthunden
She bursts out laughing
He: Enna?
She: Idhu enna kalyanama? Atchadhai podaradhukku? Loose. Adhuvum rose. Infact endha kalyanathulayavadhu yaaravadhu rose vachi aasirvadham pannuvaaLa?
He: Oh. Panna maataLa. Seri naan poi rose vachitu vandhudaren
She: Edhukku andha poNNa sight* adikaradhukka?
He: Ada cha. Vera yaarukaavadhu andha rose kodupaa illaiya adhaan
She: Aaaha. Enna oru perundhanmai. Enakku andha rose tharalaam la.
He: Unakku edhukku. Nee dhaan eduthundiye
She: Cha. Un kitta poi kaetten paaru
He: Yaen tension aagare. Indhaa rose.
She: oNNum venaam. Andha poNNu kittaye kodu po
He: Yaaru andha jimikki poatta poNNa?
She: Ennadhu?
He: Illai entrance la poo koduthaaLe. Andha poNNa sonnen. Ava jimikki poattu irundhaa.
She: Hello sir. Enna nadakudhu inga? Nee yaen adha ellam observe panre?
He: Ippo naan enna dhaan pannanum. I saw her. That too I saw her ear, since that jimikki caught my attention. So technically speaking naan andha poNNa paatha neratha vida, ava jimikkiya paatha time dhaan adhigam. Naan nallavan
She: Paathu. Jimikki thiruda vandhavan nnu nenachuka poraa
He: Yaen solla maate. Ponna paathalum thappu jimikki paathalum thappu. Inimela yaaravadhu poNNu edhirla vandhaa bharathiraja heroine madhiri reNdu kaiyayum vachu face maRachukaren.
She: He he he
(At that time He spots one of his friend(girl) )

He: hey
Friend(girl): Hello sir. Evlo naaL aachu paathu
He: Ya. By the way idhu dhaan She.
She: hi
Friend(girl): Nice meeting you. Ivana romba naaLa kaettundu irundhen, She kku introduce paNNi vaidaa appadinu. Kadasila inniku dhaan paaka mudinjadhu
He: Aaamam ava enga. I just cant wait to meet her
(She’s eyebrows are raised)
Friend(girl): Inga dhaanda engayo irundha. Iru
He: I have been eagerly waiting to meet her
Friend(girl): Aarambichitiya. Iru.
(Friend(girl) goes somewhere)
She: Aaamam iva enna unnai ivlo da poattu koopadra. Naan da sonnadhukku oru periya lecture koduthe?
He: Ayyo loose. Ava ennoda vayasula periyava
She: Hmph. Edho onnu sollu. BTW yaarukaaga eagerly waiting? Ivlo desperate aa kaekkare? Yaar adhu. Sollu
He: Vandhu
(By that time Friend(girl) comes with her 2 year old daughter)
He: Hey kiddo(Replace kiddo with some kids name). Indha rose. Un red dress kku match aa irukkum
Friend(girl): Uncle kku thanks sollu

Do I need to say what She’s expression was?

P.S. I have seen people refer to ogling as ’site adikaradhu’ in Madras tamil. Site is land (or location). Sight is the right word.
P.P.S. You can consider this as a prelude for the He She, where She is upset that she is referred to as aunty!