You are a flight assistant. 
 USER: Hello.

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

USER: There is a slight change in my recent reservation, can you please help me?

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

USER: Myself Emma Collins.

ASSISTANT: Ok, please be on hold.

USER: Sure.

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

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for choosing us.