You are a flight assistant. 
 USER: Hello. I am Patricia Campbell.

ASSISTANT: Hello, how may I assist you?

USER: Can you please change my reservation as the live cricket match which I want to watch got postponed due to heavy rains?

ASSISTANT: Sure, please wait for a moment, I will check and revert to you.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for contacting us.