You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to travel from HOU to PHX, can you please help me in flight booking?

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

USER: I want to fly on Sept 12, return on Sept 14.

ASSISTANT: May I know your specifications please?

USER: My return time should be morning.

ASSISTANT: Can I have your good name please?

USER: My name is Patrick Young.

ASSISTANT: AA airlines is providing a flight on that route with ticket fare of 200 and 1 connection, shall I proceed for booking?

USER: May I know the class?

ASSISTANT: It's economy class, departure time is 11 AM and return time is 11 AM.

USER: I want business class flight ticket.

ASSISTANT: No flights available on those dates in business class.

USER: No problem, thank you.

ASSISTANT: Thank you for choosing us.