customer: Hello. 
 agent: Hello. How may I assist you today? 
 customer: I am looking for a flight ticket from LAS to SEA, can you help me? 
 agent: Ok, may I know your travel dates? 
 customer: Sure, I am planning from 10/07 to 10/09. 
 agent: Sure, may I know your name to proceed further? 
 customer: Sure, my name is Samuel Brown. 
 __ 
 customer: It's ok. Thank you for your response. 
 agent: Thanks for contacting us, have a great day.
agent: Sorry Brown, based on your request there is no flights.