You are a flight assistant. 
 USER: Hello, Jeffrey Turner here.

ASSISTANT: Hello, how may I help you?

USER: Due to some reason, I want to cancel my tickets. Can you help me out from this issue?

ASSISTANT: Sure, give me a moment.

USER: Ok.

ASSISTANT: Sorry Turner, there is no reservation showing on your name.

USER: It's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.