You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to attend a Tennis competition in Atlanta ATL to Houston HOU. Can you find a flight ticket for me?

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

USER: Ok, my planned trip dates are on Apr 07 and return on Apr 09.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No, I don't have any particular timings.

ASSISTANT: Would you like to board a direct or connecting flight?

USER: Ok, I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Ok, my name is Cynthia Martin.

ASSISTANT: I have found a flight-1015 available in American Airlines with single connection limit and the ticket fare is 400. Shall I book it?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Cynthia Martin, your booking is done in business class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.