You are a flight assistant. 
 USER: Hi. I am Amy Perez.

ASSISTANT: Hello, how can I support you?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment, I will check with the reservation list on your name and revert to you.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any reservation on your given name.

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

ASSISTANT: Thank you for contacting us.