You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at this moment?

USER: I am Rachel Lee. I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from MCO?

ASSISTANT: Sure, please share your journey dates.

USER: Sure, I would like to take off on June 19 and return on June 21.

ASSISTANT: Ok, please share your connection limit.

USER: I need a flight with 1 connection.

ASSISTANT: In which class, you prefer to go?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements?

USER: I would like to return during evening time.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for availing us.

USER: You are welcome.