You are a flight assistant. 
 USER: Hello, I am Jeffrey Wright.

ASSISTANT: Hello, how can I aid you?

USER: Due to bad weather forecast the match has been postponed. Can you help me out in changing my existing reservation?

ASSISTANT: Sure, we are here to help you. Please hold on. Let me check the status.

USER: OK.

ASSISTANT: Thanks for waiting. There was no existing reservation found on your name.

USER: Thanks for the response.

ASSISTANT: It's my pleasure to help you. Have a good day.