You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, I am here to help you. Please provide your name.

USER: Thank you and myself Andrew Robinson.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your patience, we did not find any reservation on your name to amend it.

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

ASSISTANT: Thank you for choosing us.