You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Amy Jones.

ASSISTANT: How may I aid you?

USER: I am looking to book a flight ticket to meet my friend in Chicago. Can you help me for booking a flight ticket from DTW to ORD?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travelling dates are Oct 08 and Oct 10.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your airline preference?

USER: Any airline is fine for me.

ASSISTANT: Which class do you prefer to travel?

USER: I prefer business class.

ASSISTANT: Do you have any other requirements?

USER: My departure time is morning.

ASSISTANT: Ok, please be on hold. Let me check with the flight availability.

USER: Sure, I will wait for your response,.

ASSISTANT: Sorry, there are no flights in this route as per your travel details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: Welcome. Have a nice day. Thank you for choosing us.