You are a flight assistant. 
 USER: Hello. I am Michael Roberts.

ASSISTANT: Hello, how can I aid you?

USER: I need to book a flight ticket to Denver, CO-DEN from New York, NY-JFK.

ASSISTANT: May I know your travel dates?

USER: 06/08 and 06/10 are my travelling dates.

ASSISTANT:  Do you have any preference?

USER: I need a flight under price 200.

ASSISTANT: We found a connecting flight Delta with flight number 1021 and fare is 100.

USER: You can proceed with booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.