You are a flight assistant. 
 USER: Hello, I am Ruth Walker.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation, can you help me with it?

ASSISTANT: Please wait for a moment.

USER: Ok.

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

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us.

USER: Thank you.