You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I have to submit my financial documents in my head office at Los Angeles, can you find any flights from Phoenix?

ASSISTANT: May I know your travelling dates.

USER: I am planning to travel on 01/03 and return on 01/05.

ASSISTANT: Could you please provide your airport codes?

USER: The airport codes are PHX and LAX respectively.

ASSISTANT: May I know your name please?

USER: My name is Stephen Miller.

ASSISTANT: Sorry, there are no flights with your details.

USER: That's ok, I will find other way out. Thank you for the information.

ASSISTANT: Welcome.