You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to attend a marriage in Oakland. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your name please?

USER: My name is Christine Wright.

ASSISTANT: May I know your travelling airport codes please?

USER: My airport codes are DEN and OAK.

ASSISTANT: Is there any specific class preference for you?

USER: No, I don't have any class preference.

ASSISTANT: May I know your airline preference please?

USER: I don't have any airline preference. I prefer single connecting flight.

ASSISTANT: May I know your preferable time to travel?

USER: I am comfortable with any timings.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are Oct 08 and Oct 10.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry to inform you that, there is no flight found as per your travelling dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you reaching us.