You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Anthony Allen, can you please amend my reservation I did recently?

ASSISTANT: Sure. Please wait for a while.

USER: Ok, I will wait.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, not a problem. Thank you for the information.

ASSISTANT: You are welcome. Thank you for reaching us.