You are a flight assistant. 
 USER: Hi. I am Jeffrey Phillips.

ASSISTANT: Hello Jeffrey, how can I be at your service today?

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

ASSISTANT: Sure, please wait for a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry I don't see any reservation on your name.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you.