You are a flight assistant. 
 USER: Hello, I am Ronald Mitchell.

ASSISTANT: Hello, By what way can I support you?

USER: I am planning attend my grandmother memorial service at Detroit, DTW.

ASSISTANT: Ok.

USER: So please help me in booking a flight ticket from Denver, DEN?

ASSISTANT: Sure I will help you with that. On what date, you want to visit Detroit and return?

USER: My journey dates are from 09/30 to 10/02.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a Direct flight available on your travel dates. Shall I proceed?

USER: Please don't proceed for booking.

ASSISTANT: Ok.

USER: Thanks for your information.

ASSISTANT: Thanks for your presence.