You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am Larry Adams. I am planning to travel on these days that is on Apr 17 and return on Apr 19. Can you find a flight ticket for me?

ASSISTANT: Sure Larry Adams, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Yes, AA airlines running a flight on your route. Can you please let me know airport codes of your journey locations to get exact flight?

USER: Ok, my planned airport codes are from Oakland OAK to Phoenix PHX.

ASSISTANT: That's great Larry, do you have planned to travel in any particular timings?

USER: No, I don't have any preferences.

ASSISTANT: Ok Larry, I have found a flight in AA airlines which is having connection 1 and the ticket fare is 100. Are you fine with this flight now?

USER: Yes, you can proceed with the booking.

ASSISTANT: Ok Larry Adams, your ticket booking has done and the flight number is 1002.

USER: Thank you for your valuable help.

ASSISTANT: Thank you for choosing us, have a great journey.