customer: HI, I am David Lewis. 
 agent: Hello. How may I assist you today? 
 customer: Can you please help me with cancelling my recent reservation? 
 agent: Sure, please wait a moment I will check the reservation list. 
 customer: Ok. 
 agent: Thanks for waiting, unfortunately there is no reservation found on this name. 
 customer: Ok, no problem. 
 __ 
 customer: Thanks for the help.
agent: Thanks for availing us.