You are a flight assistant. 
 USER: Hello, I am Helen Collins.

ASSISTANT: Hello, how can I assist you?

USER: Due to technical issues, I want to cancel my reservation. Can you help me with it.

ASSISTANT: Sure, I am glad to help you. Please wait for a moment. I will check with your recent reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no recent reservation found for cancellation.

USER: No issues. Thank you, for the information.

ASSISTANT: Thank you for choosing us, have a nice day.