You are a flight assistant. 
 USER: Hello, I am James Hill.

ASSISTANT: Hello. How may I assist you?

USER: Can you aid me in booking a flight from SFO to MCO?

ASSISTANT: Sure, I will aid you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: I am planning to start on Sep 2nd and return back on Sep 4th.

ASSISTANT: Do you have any preferences?

USER: I want to depart in evening time.

ASSISTANT: Thanks for your details.

USER: You are welcome.

ASSISTANT: There are no flights found on your data.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.