You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER:  I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, please share your good name?

USER: I am Helen Parker.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, there is no active reservation found with the given name.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you.