You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation as my trip to Washington is cancelled. Can you help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: May I know your good name please?

USER: Sarah Phillips is my name.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: Thanks for your time, there is no reservation found in your name.

USER: Ok, not a problem at all. Thanks for the information.

ASSISTANT: Thank you for choosing us, have a good day.