You are a flight assistant. 
 USER: Hi. I am Larry Collins.

ASSISTANT: Hello, how may I help you?

USER: I had planned to go on a vacation, but it was cancelled due to some budget problems. I am looking for cancellation of my recent reservation.Can you help me out?

ASSISTANT: Ok, I will help you. Please let me know your name to check your previous reservation?

USER: I had already mentioned above.

ASSISTANT: Ok, sorry. Please give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no reservation found with your name to cancel.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us. Have a nice day.