You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you please cancel my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Ruth Nelson.

ASSISTANT: Wait a moment.

USER: Sure, I'll wait for your response.

ASSISTANT:  Sorry, there is no reservation found for the user name in our back end to cancel it.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for opting us.