You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight from SEA to visit my home. Can you book a flight to MCO?

ASSISTANT: Sure, please share me your trip dates.

USER: I will fly on Oct 09 and return on Oct 11.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: My name is David Wilson.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I want my depart flight in evening.

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

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.