You are a flight assistant. 
 USER: Hello,. I am Donald Hill.

ASSISTANT: Hello, how may I assist you?

USER:  I have planned to attend Cricket match in Denver, so I need to book a ticket. Can you assist me with that?

ASSISTANT: Sure, I will assist you.

USER: Thank you.

ASSISTANT: May I know on which dates you have preferred to travel?

USER: I want to travel on 12/06, and need to catch return flight on 12/08.

ASSISTANT: Can you please share your airport codes?

USER:  I need to leave from my nearest airport JFK to reach DEN.

ASSISTANT: Please wait a moment, I will check and revert you.

USER: Sure.

ASSISTANT: We found an airline Southwest with flight 1002 having a fare 100 with halt. Shall I proceed with booking?

USER: Proceed with the booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.