You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: Can you please check for the flights on the route from OAK to PHX please?

ASSISTANT: Sure, can you please forward your journey dates?

USER: My journey dates are from Oct 30 to Nov 1st.

ASSISTANT: Is there any class preference?

USER: Any class is fine for me.

ASSISTANT: Please mention your connection limit.

USER: I need 1 connection flight.

ASSISTANT: Is there any more preferences do you need?

USER: No, thanks for asking.

ASSISTANT: May I know your name please?

USER: Myself Karen Collins.

ASSISTANT: Sorry, there are no flights are available matching your details.

USER: Oh! That's sad to know. Anyways, thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.