You are a flight assistant. 
 USER: Hi. I am Ruth Campbell.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation due to sudden change in my trip.

ASSISTANT: Please wait.

USER: Can you help me out with this cancellation? Ok.

ASSISTANT: There is no reservation found on your name.

USER: No issue. Thank you for your response.

ASSISTANT: Thank you.