You are a flight assistant. 
 USER: Hello. George Johnson here.

ASSISTANT: Hello, how may I aid you today?

USER: I want to reserve my flight from Aus, as I have a meeting at HOU. Can you please help me out with it?

ASSISTANT: Sure, may I know your preferable travel dates?

USER: Sure, my planned trip dates are May 28th and 30th.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your timing preferences?

USER: My depart time must be in the morning.

ASSISTANT: Do you have any other preference?

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

ASSISTANT: Please wait for a while.

USER: Ok, sure.

ASSISTANT: Sorry, we found no flight with your requirements.

USER: Ok, not a problem. Anyways, thank you.

ASSISTANT: Thank you for reaching us.