You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Frank Johnson. Can you cancel my flight ticket reservation? As my cricket match is been postponed due to bad weather in New York.

ASSISTANT: Sure, I will help you in cancelling the ticket.

USER: Ok.

ASSISTANT: Sorry, there are no reservations found.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.