customer: Hi. 
 agent: Hello,. 
 customer: I am Patrick Davis. 
 agent: How can I assist you? 
 customer: I am unable to travel right now due to health issues, so can you help me for cancelling my existing reservation? 
 agent: Sure, we are here to help you. 
 __ 
 agent: There is no reservation found on your name for cancellation. Thank you for opting us. 
 customer: Oh! no problem, thank you for your services.
customer: Thank you.