You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking a flight ticket to DEN from SEA?

ASSISTANT: Sure. please share your planned trip dates?

USER: My travel dates are from Mar 01 to Mar 03.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Any other requirements to be met?

USER: I would like to return in the afternoon.

ASSISTANT: May I know your name?

USER: I am Kathleen Jones.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.