You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in reserving a flight ticket to IAH from MCO?

ASSISTANT: Sure, can you share your trip dates?

USER: My travel dates are from Aug 09 to Aug 11.

ASSISTANT: Do you have any preferences?

USER: Yes, I would like to travel in connecting flight.

ASSISTANT: May I know your name?

USER: I am Barbara Young.

ASSISTANT: There is a connecting flight with number 1000 in airline AA, the fare is 200 in economy class. Can I book it?

USER: Yes, you can book it.

ASSISTANT: Your ticket is reserved, the depart time is 4:00 hours and return time is 1:00 hours.

USER: Thank you.

ASSISTANT: Thank you for choosing us.