You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: As my trip got postponed due to bad weather, can you please help me in changing my reservation?

ASSISTANT: Sure, please let me know your name to check with the current status.

USER: Sure, I am Samuel Martin.

ASSISTANT: There is no reservation found with your name.

USER: No worries, thank you.

ASSISTANT: Have a good day.