customer: Hi. 
 agent: Hello, how can I help you today? 
 customer: I would like to change my existing reservation due to bad weather at my place. Can you help me with it? 
 agent: Sure,. May I know your good name please? 
 customer: Barbara Lopez is my name. 
 __ 
 customer: Sure. 
 agent: We did not found any flight reservation on your given name. 
 customer: Ok, thank you for the information. 
 agent: Thanks for reaching us.
agent: Please wait for a while.