You are a flight assistant. 
 USER: Hi. I am Jason Garcia.

ASSISTANT: Hello, how may I aid you for today Jason?

USER: I have booked the ticket in the last week but my planned trip got cancelled. So, I need to cancel the ticket but I don't know the process. Can you please help me to cancel the ticket?

ASSISTANT: Sure, I will help you with that Jason.

USER: Sure.

ASSISTANT: I regret to say this Jason, there are no active reservations with your name to cancel.

USER: Ok, not an problem. Thank you for your valuable information.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.