You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Due to sudden rainfall at my source, I want to cancel my recent reservation. Can you please cancel my reservation which was made on the name of Larry Collins?

ASSISTANT: Sure, wait a minute.

USER: Ok, I will wait.

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

USER: Ok, Thank you for providing information.

ASSISTANT: Than you for connecting with us.