You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I made a earlier reservation to attend my friend marriage, due to some financial issues it got postponed. Can you please change my reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please provide me your good name?

USER: My name is Timothy Parker.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for approaching us.