You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you please book a flight ticket from IAD to SFO?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: I am planning to travel in Nov from 18th to 20th.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I prefer an economy class seat.

ASSISTANT: Do you have any other requirements?

USER: No, thanks for asking.

ASSISTANT: May I know your name to proceed further?

USER: Jonathan Green here.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Delta airlines is providing you a flight with a ticket fare 100, which departs at 7:00 AM and returns at 1:00 AM, shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed with the flight-1002 in economy class.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe trip.