You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Davis.

ASSISTANT: Can you please tell me how may I help you?

USER: I want to reserve my ticket which is direct for me to travel, can you please help me in this?

ASSISTANT: Sure, I can help you in finding the flight.

USER: Thank you.

ASSISTANT: May I know the journey dates please?

USER: My travelling dates are 02/02 and return on 02/04.

ASSISTANT: Ok, may I know the airport codes?

USER: My airport codes are PHX and OAK.

ASSISTANT: Ok, give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you, there are no direct flights available in this route on the dates you have given.

USER: No problem, thank you for your information.

ASSISTANT: You are welcome.  Thank you for reaching us.