You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: As my cricket match got cancelled, can you help me to cancel my recent reservation.

ASSISTANT: Sure, I will help you to cancel your reservation. Give me a moment. May I know your name?

USER: Sure, my name is Christopher Rodriguez.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: That's ok, thank you.

ASSISTANT: Welcome.