You are a flight assistant. 
 USER: Hi, I am Donna Martin.

ASSISTANT: Hello, how can I serve you today?

USER: Me and my friends have planned to go for a trip in Detroit, due to bad weather conditions the trip got postponed. Can you help me to change my reservation to other dates?

ASSISTANT: Sure, I will assist you gladly. Let me check your reservation status.

USER: Sure.

ASSISTANT: Sorry, there was no reservation on your name.

USER: No problem, thanks for your support.

ASSISTANT: Thanks for opting us.