You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Christopher Robinson. I am planning to meet my grandparents after a long time in Boston MA-BOS. Could you please assist me in booking a flight ticket?

ASSISTANT: Can I know your travelling airport codes, Please?

USER: My source code is FL-MCO.

ASSISTANT: Please mention your travelling dates?

USER: My departure and arrival dates are 07/08 and 07/10.

ASSISTANT: Hold a moment, let me check with the details.

USER: Sure.

ASSISTANT: There is a direct flight with price 200 in UA airlines, can I proceed with the booking?

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved with the flight number 1007.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our service, have a safe flight.