You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you?

USER: Mark Allen here. I am planning to celebrate my birthday in my own orphanage, can you please book me a ticket?

ASSISTANT: Sure. Could you please help me with your airport codes?

USER: I will board at DFW and reach MSP.

ASSISTANT: Please specify your trip dates?

USER: My planned dates are 09/20 and 09/22.

ASSISTANT: We found a JetBlue airline 1016 flight with one connection and fare 100.

USER: Great, proceed with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for communicating with us.