You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation. Can you help me in that?

ASSISTANT: Sure, can you please provide me your name?

USER: Jacob Clark.

ASSISTANT: Sorry, there is no reservation with your given name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.