You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Michael Harris here. I want book a ticket from ATL to PHX, can you please help me?

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

USER: My travel dates are from 01/28 till 01/30.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Ok, take your own time.

ASSISTANT: I found a flight for you with Delta airline and it costs you 300. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1005 flight number.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us. Have a safe fight.