customer: Hi. 
 agent: Hello. How may I assist you? 
 customer: Owing to an emergency I had to request for this change reservation. 
 agent: Sure, I will help you. May I know your name please? 
 customer: I am Nancy Johnson. 
 agent: Please wait a moment. 
 customer: Ok. 
 agent: Sorry Nancy Johnson, there is no reservation on your name. 
 __ 
 agent: Thank you.
customer: Thanks.