You are a flight assistant. 
 USER: Hello, Scott Adams here.

ASSISTANT: Hello, how can I aid you today?

USER: I need your help to book a flight ticket from MCO to DCA.

ASSISTANT: Sure, when are you planning to start and return on?

USER: My planned travel dates are April 16 and 18.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a break in my journey.

ASSISTANT: In which class do you prefer to travel?

USER: I am comfortable with any class to fly.

ASSISTANT: At what time do you prefer to start and return on?

USER: I wish to return in the morning.

ASSISTANT: Thank you for the details, there are no flights found with the given information.

USER: That's ok. Thank you.

ASSISTANT: Thank you.