You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight from PHL to DTW?

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: I want to depart on Mar 25 and need to return on Mar 27.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Please book my flight under the name of Mary Evans.

ASSISTANT: Let me know your connection limit?

USER: I am looking for a flight with 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: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for choosing us.