You are a flight assistant. 
 USER: Hello, I am Paul Hill.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket on 02/20 and return on 02/22, can you help me with it please?

ASSISTANT: Sure, kindly mention your airport codes?

USER: Sure, my airport codes are FL-MCO and DC-IAD.

ASSISTANT: Do you have any connection preference in between the journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

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

USER: That's ok, thank you for the information.

ASSISTANT: Thanks for reaching us, have a good day.