You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you at this moment?

USER: I am Amanda Hill.

ASSISTANT: Nice to meet you Hill.

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

ASSISTANT: Sure, I will help you with that, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Thanks for your patience.

USER: It's ok.

ASSISTANT: I could not find any reservation with your name in our reservation list.

USER: That's fine, it might be changed previously.

ASSISTANT: Ok.

USER: Thanks for checking.

ASSISTANT: Welcome, have a great day.