You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how best I may help you at this moment?

USER: Could you please book a flight ticket from DTW to PHX?

ASSISTANT: Sure, Please share your good name please.

USER: My name is John Allen.

ASSISTANT: Can you please help me with your planned journey dates?

USER: My journey dates are Apr 15 and Apr 17.

ASSISTANT: Ok, May I know your connection limit?

USER: I need  a single connecting flight.

ASSISTANT: Ok, Do you have any other requirements?

USER: I want to depart in the evening.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to notify you that, there were no flights running to that location due to bad weather condition.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for approaching us.