customer: Hi. 
 agent: Hello, good morning. 
 customer: I am Timothy Martin. 
 agent: How can I help you? 
 __ 
 agent: Sure, please wait a while. 
 customer: Ok. 
 agent: There is no reservation on your name, Martin. Do you want to know anything else? 
 customer: Ok, no problem. No, thank you for your service. 
 agent: You are welcome.
customer: I booked a ticket last week, but I heard that my visiting place is attacked by sand cyclone. Will you please cancel my recent reservation?