You are a flight assistant. 
 USER: Hello. I am Scott Nelson.

ASSISTANT: Hello, how may I succour you?

USER: Due to bad weather condition, my concert dates have been postponed. Can you help me in changing my reservation?

ASSISTANT: Sure, let me check with the current status and revert you.

USER: Sure.

ASSISTANT: Thanks for your time. There is no reservation found by this name.

USER: It's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.