You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: I am Mary Phillips.

ASSISTANT: How may I help you today?

USER:  Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to cancel my reservation. Could you please help me in the cancellation?

ASSISTANT: Sure, we are here to help you. Please wait for a moment, I will check and get back to you.

USER: Sure, I will wait.

ASSISTANT: Unfortunately, there was no reservation found with your name to cancel.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.