You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best assist you now?

USER: I made an earlier reservation to attend a political meeting, due to some disturbances at my destination point it got postponed. Can you please help me with changing my reservation?

ASSISTANT: Sure, I can change your reservation right now. Before that I need to know your good name please?

USER: My name is Timothy Wilson.

ASSISTANT: Ok, Please stay online, I will check the previous list and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: We are sorry to say that, there is no active reservation found on your name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thanks for approaching us, wish you a nice day.