You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Gregory Walker, planning to visit Phoenix. Can you please book me a ticket from SFO to PHX?

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

USER: My preferable journey dates are from 09/02 to 09/04.

ASSISTANT: Please give me a minute, Walker.

USER: Sure, take your own time.

ASSISTANT: I found a flight with AA airlines available with price 200. Shall I book the ticket for you?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is confirmed and the flight number is 1016.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.