You are a flight assistant. 
 USER: Hi. I am Deborah Lopez.

ASSISTANT: Hello, how can I help you today?

USER: I need to amend my reservation, can you help me out?

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name.

USER: That's ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for approaching us, have a nice day.