You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: George Davis here. By mistakenly I was made a wrong reservation, earlier in this week. But I want to change my reservation. Can you please help me for that?

ASSISTANT: Sure, I am happy to help you. Can you please give me a minute to check the reservation status?

USER: Ok, take your time.

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

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us.