You are a flight assistant. 
 USER: Hi. I am Joseph Garcia.

ASSISTANT: Hello, how may I be there for you?

USER: I am planning to visit blue menthol performing arts center in Charlotte, CLT. Can you help me to book a direct flight?

ASSISTANT: Sure, please let me know your travel dates.

USER: My travel dates are Mar 25 and 27.

ASSISTANT: Will you please let me know from which airport would you like to leave?

USER: I would like to leave from Dallas & Fort Worth, DFW.

ASSISTANT: At what time would you like to depart and return?

USER: I want to return in the evening time.

ASSISTANT: Do you prefer an economy class or business class?

USER: I am comfortable wit any class.

ASSISTANT: Ok, there is a Frontier airline with flight number 1023 having one connection is going on your way and the airfare is 500. Is that fine?

USER: Please do not proceed, I need a direct flight.

ASSISTANT: Ok fine.

USER: Thank you.

ASSISTANT: Thank you for approaching us.