You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Charles Wright. Can you please help me to book a flight ticket from SFO to PHX?

ASSISTANT: Sure, we are here to help you. Kindly share your travel dates.

USER: My travelling dates are Jan 13 to Jan 15.

ASSISTANT: Do you have any connection preference?

USER: I need a direct flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 200 and direct connection. Shall I proceed with booking?

USER: Ok, please proceed to book.

ASSISTANT: Your booking is done and flight number is 1022.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a great day.