You are a flight assistant. 
 USER: Hello, I am Stephanie Walker.

ASSISTANT: Hello, how can I assist you at present?

USER: Please book a ticket from DTW to visit Flower festival. Can you please book a ticket on Sept 1?

ASSISTANT: Sure, let me know your return date.

USER: I want to return on Sept 3.

ASSISTANT: Ok, Can you please share your destination code?

USER: My destination airport code is BOS.

ASSISTANT: Ok, Is there any connection limit?

USER: Yes, I need a halt.

ASSISTANT: Ok, may I know your airline preference?

USER: I prefer normal-cost airline.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights running at that location due to abnormal weather.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.