You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Kenneth Jones, want to alter my recent reservation because I made my booking with wrong travelling dates. Please help me in changing my reservation.

ASSISTANT: Sure, please give me a minute. I will let you know the status of your reservation.

USER: Ok.

ASSISTANT: Sorry Jones, I couldn't find any reservation on your name.

USER: It's ok, not an issue. Anyway, thank you for your help.

ASSISTANT: You are welcome.