You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Please book a ticket to SEA to overview the city.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are Jan 5 and Jan 7.

ASSISTANT: Can you please share your source airport code?

USER: My source airport code is MSP.

ASSISTANT: Are you looking for a direct flight or connecting flight?

USER: I want single connected flight.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: My return time is evening.

ASSISTANT: Can you please provide your name to proceed further?

USER: Sure, I am Daniel Roberts.

ASSISTANT: Sorry, there are no flights available at your request.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for contacting us, have a nice day.