You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: Ok, please mention your name.

USER: Eric Green.

ASSISTANT: Sorry, no reservation found on your na,me to cancel your reservation.

USER: That's Fine. Thank you for the information.

ASSISTANT: Welcome, have a nice day.