You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Yes, can you share me your name for checking?

USER: Thank you. Susan Moore.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: That's fine. Thank you.

ASSISTANT: Thank you for contacting us.