You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please book a ticket from CLT to SEA to attend Sports festival.

ASSISTANT: Sure, may I know your planned trip dates?

USER: My travelling dates are Mar 3 and Mar 5.

ASSISTANT: Do you have any connection limit?

USER: I would like to fly in single connected flight.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: Ok, I am Karen Harris.

ASSISTANT: There are no flights found on your specified trip dates.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you.