You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my recent reservation, because recently I got an accident as per doctor said I have to take rest for few months. will you help me?

ASSISTANT: Sure, I am here to help you. May I know your name to check reservation?

USER: Sure, my name is Rachel Wright.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for approaching us.