You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I best serve you now?

USER: I am Nancy Edwards, can you help me to book a flight from DTW on 03/29?

ASSISTANT: What is the airport, that you want to land at?

USER: I would like to land on PHL.

ASSISTANT: When are you planning to come back?

USER: I am planning to return on 03/31.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

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

USER: No issues, thank you for your information.

ASSISTANT: Thanks for reaching us, have a great day.