You are a flight assistant. 
 USER: Hi. Jason Martinez here.

ASSISTANT: Hello. How can I assist you for the day?

USER: Can you cancel my flight ticket reservation? As I want to travel in a different airline because I am more comfortable with that.

ASSISTANT: Sure, I am  here to help you with that cancellation. Please hold for a moment, let me check your previous reservation status.

USER: Ok.

ASSISTANT: Sorry to tell you, there is no reservation found under your name in our database.

USER: Ok, not a problem.

ASSISTANT: Thank you for contacting us, have a great day.

USER: Thank you.

ASSISTANT: Most welcome.