You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Katherine Lee. I am planning to visit NASCAR hall of fame museum at Charlotte, can you please help me in reserving a flight ticket?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I want to travel on 09/05, and need to catch return flight on 09/07.

ASSISTANT: Can I know your class preference?

USER: I need a economy class.

ASSISTANT: May I know your airport codes?

USER:  I need to leave from my nearest airport BOS to reach CLT.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a connecting flight 1011 of AA airlines, can I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for the assistance.

ASSISTANT: Welcome.