You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you book a flight ticket from EWR to DTW?

ASSISTANT: Sure, May I know the travelling dates?

USER: I will start on Oct, 21 and return on Oct, 23.

ASSISTANT: May I know your good name?

USER: Patricia Hall here.

ASSISTANT: Let me know your connection limit.

USER: I would prefer single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

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

USER: That's ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.