You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I would like to meet my old friend at Phoenix, please help me in booking a ticket from DTW to PHX.

ASSISTANT: Sure, may I know your good name?

USER: My name is James Walker.

ASSISTANT: Could I have your journey dates, please?

USER: My planned journey dates are on Jan 15 and Jan 17.

ASSISTANT: Do you have any class preference?

USER: I prefer business class for this trip.

ASSISTANT: Please let me know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Is there any other specifications?

USER: No, thank you for asking.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights available as per your requirements.

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

ASSISTANT: Thank you for reaching us.