You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Actually my IIT Conference is cancelled, so that I need to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, can you please provide me your name to check your reservation details?

USER: Yes, my previous reservation is done under the name of Jason Davis.

ASSISTANT: Sorry Davis, no reservation found on your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Welcome.