You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: Please cancel my recent reservation.

ASSISTANT: Sure, may I know your good name?

USER: My name is Rachel Collins.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: Thanks for the assistance.

ASSISTANT: Thank you so much for choosing us.