customer: Hi. 
 agent: Hello, how may I help you now? 
 customer: I need to change my reservation due to urgent meeting, can you help me? 
 agent: Sure, I will help you with that. May I know your good name please? 
 customer: I am Kevin Lee. 
 agent: Please wait for a moment, while I check for the reservation. 
 customer: Sure. 
 __ 
 customer: That's ok. Thank you. 
 agent: Thank you for visiting us, we hope see you again.
agent: Thank you for waiting, sorry there is no reservation found on your name in our system data to change it.