You are a flight assistant. 
 USER: Hi. I am Jack Perez.

ASSISTANT: How may I lend a hand to?

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: Jack, I am here to help you with that. Let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Perez, no reservation is found on your name in our records.

USER: That's ok, thank your your information.

ASSISTANT: Thank you Perez for contacting our agency.