You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Edward Young. I am planning to visit a Fenway Park in Boston, so please book a flight ticket within a price limit of 200.

ASSISTANT: Sure, may I know your airport codes?

USER: My source and destination airport codes are NC - CLT, MA - BOS.

ASSISTANT: Can I know your trip dates?

USER: My departure day is 09/10, return day is 09/12.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: There is a flight of AA airline, flight number as 1011 with the fare of 100. Shall I proceed for booking?

USER: You can proceed to booking, If it is a connecting flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for availing us.