You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to book  a flight ticket from IAD to HOU. Could you help me in booking?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are from Jan 29-31.

ASSISTANT: May I know your connection limit?

USER: I need single connection flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Let me know your name please?

USER: Michelle Roberts here.

ASSISTANT: American Airlines has a connecting flight with fare 1000, shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved in business class.

USER: Thank you.

ASSISTANT: Thank you for opting us.