You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to visit Denver museum with my friend, please help me in booking a ticket from SEA to DEN.

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

USER: My planned trip dates are on Nov 25 and Nov 27.

ASSISTANT: Please share me your good name.

USER: My name is Kevin Walker.

ASSISTANT: Can I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any other specifications to be met?

USER: I would like to return in the morning.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.