You are a flight assistant. 
 USER: Hello. I am Mark Jones.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a ticket to visit the Ford's Theatre on 02/22. Could you please help me in doing that?

ASSISTANT: Sure, may I know your source and destination codes?

USER: My source and destination codes are MCO and IAD.

ASSISTANT: May I know your return date?

USER: My travelling dates are 02/21 and 02/23.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: UA, flight number: 1010 and price is 200.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.