customer: Hello. 
 agent: Hello, how can I help you? 
 customer: My exam has been postponed, so I want to reschedule my itinerary dates. 
 agent: Sure, may I know your name? 
 customer: Donna Martin here. 
 agent: Ok, please wait. 
 __ 
 agent: Thanks for waiting, there is no active reservation on your name. 
 customer: No problem, thank you. 
 agent: Thank you.
customer: Sure.