You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I need to book a flight ticket from DTW to ATL, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your itinerary dates?

USER: Sure, my journey dates are Feb 6 and Feb 8.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: May I know your name?

USER: Sure, Ronald Turner here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry Ronald Turner, no flights are available on your route.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for choosing us.