You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am George Allen.

ASSISTANT: How may I guide you?

USER: Can you help me in booking from PHX to ATL, as my exam is postponed?

ASSISTANT: Sure, can I have your planned journey dates please?

USER: My journey dates are 07/11 to 07/13.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in UA airlines with price 100. Can I book your ticket?

USER: You can book it.

ASSISTANT: Ok, your booking is confirmed with flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.