You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me for booking from DFW to reach my destination in a business class?

ASSISTANT: Sure. Tell me your travel dates please?

USER: My travelling dates are on April 27 and 29.

ASSISTANT: May I know your name please?

USER: Brenda Thompson is my name.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I need a direct flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Tell me your destination airport code?

USER: My destination airport code is MCO.

ASSISTANT: Thanks for your patience. I have found Jet blue airlines which is a stopover flight.

USER: I need a direct flight to travel.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: Ok, thanks for your assistance.

ASSISTANT: Thank you.