You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Would it be possible to change my reservation, which I have done with my name?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly share your name.

USER: My name is Janet Nelson.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.