You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to book a flight ticket in the name of David Hall to New York. Can you help me in this?

ASSISTANT: Sure, may I know travel dates?

USER: My trip dates are 04/27 - 04/29.

ASSISTANT: Please share me your airport codes.

USER: I want to fly from Houston, TX - HOU to reach NY - LGA.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We found a flight on your details with airline Southwest, flight number: 10010. Shall book this ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you so much.