You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my recent reservation, can you please help me in that?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: Can you share me your name for checking?

USER: My name is Christopher Clark.

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

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.