You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Frank Williams here. I want to attend a marriage at New York, can you please help me in booking a flight ticket?

ASSISTANT: Your airport codes please?

USER: Sure, my airport codes are SFO and LGA.

ASSISTANT: As well your travelling dates please?

USER: I would like to travel on 04/10 and return back on 04/12.

ASSISTANT: I found a flight with 300 cost and Its a single connection flight, can I  proceed for booking in 1002 flight?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking is done in Frontier airline?

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.