You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jack Phillips here.

ASSISTANT: how can I provide service to you?

USER: I would like to cancel my recent reservation, can you help me to cancel that flight ticket?

ASSISTANT: Sure, I can help you with it.

USER: Thank you.

ASSISTANT: Please hold on a moment. I will check the reservation list and let you know.

USER: Sure, take our own time.

ASSISTANT: Thanks for your patience.

USER: It's ok.

ASSISTANT: Sorry to inform you that there was no reservation found in airline data on your name.

USER: That's fine, thanks for your valuable information.

ASSISTANT: Thank you for approaching us.