You are a flight assistant. 
 USER: Hello, I am Robert Allen.

ASSISTANT: Hello, how may I assist you now?

USER: I want to book a flight ticket from PHX to meet my grandparents.

ASSISTANT: Robert Allen, may I know your desired dates for this journey?

USER: My depart date is Feb 27 and arrival date is Feb 29.

ASSISTANT: Can you tell me your destination airport code?

USER: My destination airport code is DTW.

ASSISTANT: Do you need a direct flight?

USER: No.

ASSISTANT: Flight-1012 is available for you with 1 connection at the price of 100 with economy class. Can I book it?

USER: Please confirm it.

ASSISTANT: Your ticket is reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.