You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Thomas Robinson here. I am planning to travel on these days that is on 07/25 and back on 07/27. Can you find a flight ticket for me?

ASSISTANT: Sure, could you please share your travelling airport codes?

USER: Sure, my source code is PHX and destination code is OAK.

ASSISTANT: Please wait for a moment.

USER: Ok, make sure that the connection limit 1.

ASSISTANT: There is a connecting flight from Spirit airlines, shall I proceed?

USER: That is fine please proceed with the booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your valuable help.

ASSISTANT: Welcome.