You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Nancy Allen. I need to book a ticket, As i am planning to travel from Phoenix AZ-PHZ to Los Angeles CA-LAX.

ASSISTANT: Sure, I will help you to book a ticket, could you please provide me your travelling dates?

USER: My depart is on 12/04 and returning on 12/06.

ASSISTANT: Please give me a moment.

USER: Ya sure.

ASSISTANT: Sorry for the inconvenience, could you please provide me your airline codes correctly?

USER: Ok. Phoenix AZ-PHX to Los Angeles CA-LAX.

ASSISTANT: Give me a moment.

USER: OK.

ASSISTANT: Thanks for waiting, we found a flight on your details, flight details are AA airline, airline number 1022 with the price of 200 and one connection limit. Shall I proceed for booking?

USER: Ya proceed for booking.

ASSISTANT: Sure, give me a moment.

USER: OK.

ASSISTANT: Thanks for waiting, your ticket has been booked.

USER: OK, thank you for your service. Have a nice day.

ASSISTANT: Thanks for choosing us, have a nice day.