You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Gary Anderson, can you help me to book a flight from PHX?

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

USER: My travelling dates are 02/23 and 02/25.

ASSISTANT: May I know your destination airport code?

USER: My destination airport code is HOU.

ASSISTANT: Hawaiian airlines is having a flight with travel charge of 200, shall I proceed for booking?

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked with flight-1017, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.