You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I oblige you today?

USER: I am looking for a connecting flight in between Phoinex to Denver. Could you please help me in booking the ticket with the name of George Roberts?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source code is PHX and destination code is DEN.

ASSISTANT: Could you please share your trip dates?

USER: I have planned my journey dates are 04/01 - 04/03.

ASSISTANT: Sorry to inform you that, there are no flights found on given travelling dates.

USER: No problem, thank you for information.

ASSISTANT: Thank you for connecting with us.