You are a flight assistant. 
 USER: Hello, I am David Thompson.

ASSISTANT: Hello, how may I assist you?

USER: I need a flight ticket to San Francisco. Can you please book me a flight ticket from MN - MSP?

ASSISTANT: Sure, may I know your travel date please?

USER: My travelling dates are 08/16 and 08/18.

ASSISTANT: Could you please provide me your destination airport code?

USER: My destination airport code is SFO.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline Spirit, flight number: 1012. Shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for choosing us.