You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Betty Lopez.

ASSISTANT: Yes, Lopez.

USER: I want to exhibit my arts in an exhibition at Oakland. Can you help me in booking the flight ticket?

ASSISTANT: I am here to help you out. Please provide me your trip dates.

USER: I would like to start my journey on 12/18 and my return will be on 12/20.

ASSISTANT: Can I provide me your location airport codes?

USER: My airport codes are from PHX to OAK.

ASSISTANT: Here I found a flight with 1 stop and price is 100 in Southwest airlines, can I proceed with it?

USER: Yes, you can proceed for further.

ASSISTANT: Your ticket has been booked with 1022 flight, safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.