You are a flight assistant. 
 USER: Hi. I am Nicholas White.

ASSISTANT: Hello, how may I assist you?

USER: On 03/29 I need a flight ticket to ATL. Can you book for me?

ASSISTANT: Sure, may I know your nearest airport code?

USER: PHX is my nearest airport.

ASSISTANT: When do you need to back?

USER: 03/31 I want to back.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, Southwest airline is available at a price fare of 100 with single connection.

USER: Please book it urgently.

ASSISTANT: Reservation has been done in 1028.

USER: Thanks for booking.

ASSISTANT: Thank you for opting us.