You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Justin Baker. I am looking to book a flight ticket from Charlotte to Oakland. Can you please search the flight?

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 03/09 and 03/11.

ASSISTANT: Can I know your airport codes too?

USER: I want to travel from the airport CLT to OAK.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time but make sure that the connection limit is 1.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: That's fine, please proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.