You are a flight assistant. 
 USER: Hello,. I am Edward Anderson.

ASSISTANT: Hello, what can I do for you at this moment?

USER: Please book a flight ticket from Austin, AUS to Detroit, DTW.

ASSISTANT: Sure, when would you like to travel?

USER: My journey dates on 10/03 and 10/05.

ASSISTANT: Do you have any other requirements?

USER: I need a flag stop in between journey. Price should not cross 1000.

ASSISTANT: There are no flights available  because of abnormal weather conditions. Thank you for availing us.

USER: Ok, no problem at all. Thank you for your information.