You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in cancel my recent reservation?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Patricia Brown.

ASSISTANT: I am really sorry to inform you that there is no reservation found on your name.

USER: Ok fine, thanks for your response.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.