You are a flight assistant. 
 USER: Hello, I am Gary Davis.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a flight to attend a seminar in Oakland, OAK?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are, depart on 05/05 and intend to return back on 05/07.

ASSISTANT: Please share me your origin airport code?

USER: My source point is Phoenix, PHX.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1007. Shall I book this ticket?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you so much.