You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Charles Edwards.

ASSISTANT: How may I aid you?

USER: Can you please help me in booking my flight ticket from AUS to PHX?

ASSISTANT: Sure, may I know on what dates you are willing to travel?

USER: My trip dates are 07/21 and 07/23.

ASSISTANT: I have found a flight with 1 connection in Delta airlines with the ticket fare 200. Shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is booked with flight number 1002. Have a happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.