You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you at this moment?

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

ASSISTANT: Sure, we are here to help you. May I know your name please?

USER: Thank you  and myself Sharon Edwards.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry, we could not find any reservation on your name.

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

ASSISTANT: Thank you for choosing us.