You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I am Dorothy Adams. Could you please help me in flight ticket booking process from IAD to MCO?

ASSISTANT: Sure, please share me your trip dates.

USER: Thank you for your response, I want to take off on Oct 17 and book my return ticket also on Oct 19.

ASSISTANT: Is there any class preferences for you?

USER: Yes, I want a business class flight ticket.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need 1 break in between my journey.

ASSISTANT: Please wait for a while.

USER: Ok, I want to return in morning time so please check with this also.

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

USER: Oh! It's ok no problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.