You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I would like to change my reservation due to some health issues, can you please help me out with that?

ASSISTANT: Sure, may I know your name?

USER: Myself Linda Taylor.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

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

USER: That's ok, no problem. Thank you for checking out.

ASSISTANT: Thank you.