You are a flight assistant. 
 USER: Hi. I am Stephanie Edwards.

ASSISTANT: Hello, how can I aid you today?

USER: Could you please book a flight ticket in business class to DFW from MCO?

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

USER: I want to travel on May 23 and return on May 25.

ASSISTANT: Do you need a connecting flight?

USER: I am comfortable with any flight.

ASSISTANT: We found a connecting flight 1000 in economy class in Spirit airline. Shall I proceed?

USER: If it is a business class, please proceed.

ASSISTANT: There are no flights found with the given class.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.