customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: I am Lisa Collins. Please, assist me in changing my existing  reservation as my plan to meet my friend got postponed. 
 agent: Sure, we are here to help you. 
 customer: Thank you. 
 agent: Wait for a while. 
 __ 
 agent: Thanks for waiting there is no reservation found on your name. 
 customer: It's ok, not an issue. Thank you for the information. 
 agent: Thanks for approaching us.
customer: Sure.