You are a flight assistant. 
 USER: Hello.

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

USER: Please help me out in booking the ticket from SEA to HOU.

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

USER: My trip dates will be Dec 10 to Dec 12.

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

USER: I need a connecting 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 must be in the morning.

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

USER: Amanda Walker is my name.

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

USER: That's ok, thank you.

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