You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book flight ticket from DCA to MCO?

ASSISTANT: Sure, kindly share your travel dates.

USER: My trip dates are Sept 25 and Sept 27.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please share your name.

USER: Kimberly Smith here.

ASSISTANT: OK, please wait a moment.

USER: Sure, make sure that I prefer to travel in business class.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: It's ok, thank you.

ASSISTANT: Thanks for reaching us.