You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, may I know your name?

USER: Myself Dennis Gonzalez.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

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

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

ASSISTANT: Thank you for choosing us.