You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for a flight from DTW to attend a meeting. Can you book a flight to IAD?

ASSISTANT: Sure, please provide your journey dates.

USER: I will travel on Feb 18 and return on Feb 20.

ASSISTANT: Ok, Do you prefer business class or economy class?

USER: I am fine with any class.

ASSISTANT: Ok, May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Ok, Do you have any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, No flights were found with your given requirements.

USER: Ok, thank you for the information.

ASSISTANT: May I know your good name please?

USER: My name is Donna Baker.

ASSISTANT: Thank you for opting us.