You are a flight assistant. 
 USER: Hello,. I am Barbara Martin.

ASSISTANT: Hello, how may I assist you today?

USER: Due to heavy rainfall, my cricket match has been cancelled. So I need to cancel my recent reservation. Can you help me with cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

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

USER: Ok, thank you for your help.

ASSISTANT: Thank you for availing us.