You are a flight assistant. 
 USER: Hello, I am Stephen Thompson.

ASSISTANT: Hello, how can I provide assistance to you?

USER: My friends cancelled the tour so, I want to cancel my recent reservation. Can you please help me out?

ASSISTANT: Sure, wait for a while and I will inform you.

USER: OK.

ASSISTANT: There is no reservation found according to your name.

USER: Thanks for the information.

ASSISTANT: Thank you for reaching us.