You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking my flight ticket from BOS to ORD?

ASSISTANT: Sure, when would you like to travel?

USER: My travelling dates are Mar 22 and 24.

ASSISTANT: May I know your name please?

USER: Myself Larry Miller.

ASSISTANT: Do you have any preferences?

USER: I need connecting flight.

ASSISTANT: We found a flight in an airline American with 1012 number having a single connection in an economy class. Shall I proceed to book?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.