You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Elizabeth Anderson. I just want to cancel my existing reservation because whether is not good to travel.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: There is no previous reservation matching with your name to cancel further.

USER: Ok, no problem. Thank you for your services.

ASSISTANT: Thank you for choosing us.