You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I am happy to help you. Please let me know your good name to proceed further.

USER: Sure, my name is Helen Green.

ASSISTANT: Sorry, we did not find any active reservation on your name in our data.

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

ASSISTANT: Thank you for contacting us.