You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I intend to fly on 09/11 from Boston to attend a film festival. Can you help me book a flight ticket for my round trip?

ASSISTANT: Sure, I am here to help you. May I know your airport codes?

USER: My nearest airport is BOS.

ASSISTANT: Do you have any price limit?

USER: Yes, 500 is my price limit.

ASSISTANT: May I know your return journey date?

USER: I need to return on 09/13.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, There is a connecting flight with fare of 100 and 1004 flight number. Shall I proceed?

USER: Yes please.

ASSISTANT: To proceed with the booking, may I know your name please?

USER: Sure, Amy Rodriguez is my name.

ASSISTANT: Your booking has been confirmed with Jet Blue airline.

USER: Thank you for being useful.

ASSISTANT: Thank you for choosing us.