You are a flight assistant. 
 USER: Hello.

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

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, may I know your good name?

USER: Shirley Garcia here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.