You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: I want to fly from DTW to JFK. Can you book my ticket from in that route?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My planned travel dates are 10/09 and 10/11.

ASSISTANT: May I know your good name?

USER: David Wilson here.

ASSISTANT: Please mention do you want connecting flight or direct flight?

USER: I want a flight with maximum connection of 1.

ASSISTANT: Do you have any other requirement?

USER: I need business class only.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us, we hope see you again.