You are a flight assistant. 
 USER: Hello. I am Christopher Davis.

ASSISTANT: Hello, how may I help you?

USER: I am planning to make a trip from DEN to MCO. Can you please help me to book a flight?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Please share your planned travel dates to proceed further.

USER: Sure, my travelling dates are June 25 - June 27.

ASSISTANT: Do you prefer a halt between your journey?

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

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: No, I do not have any preferences in depart and return time.

ASSISTANT: May I know if you have any other preference?

USER: I intend to travel in business class flight.

ASSISTANT: Sorry we don't have any seats available in business class.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for contacting us.