You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I want to cancel my reservation as my workshop got cancelled. Can you help in cancelling the reservation made on name Ruth Johnson.

ASSISTANT: Sure, please stand by I will check and revert you.

USER: Ok.

ASSISTANT: Thank you, sorry no reservation found with your name.

USER: That's Ok. Thanks for your assistance.

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