You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, May I know what kind of service you are looking for?

USER: Please book a flight ticket from DTW to BOS?

ASSISTANT: Sure, we are glad to help you. May I know on which dates you are planning to start and return?

USER: My journey dates are May 17 and May 19.

ASSISTANT: Do you prefer any way station in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Jennifer Mitchell.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer a economy class.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for choosing us.