You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in flight ticket cancellation in the past month that I have booked?

ASSISTANT: Sure, please provide me your name to check the reservation status.

USER: My name is Richard Martinez.

ASSISTANT: Richard, there is no reservation found with your details.

USER: Ok, that's fine. I think it is cancelled by my manager that the trip got cancelled. Thank you for your search and infomation.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Welcome.