customer: Hello, I am Joseph Lopez. 
 agent: Hello, How may I help you? 
 customer: Can you please help me to book a flight ticket from DFW - SEA? 
 agent: Sure, Please help me with your travel dates. 
 customer: My travel dates are 01/01 to 01/03. 
 agent: Do you prefer any class? 
 customer: I am comfortable with any class. 
 __ 
 customer: Sure. 
 agent: We have found a connecting flight from Delta airline. 
 customer: Please proceed to book. 
 agent: Your ticket has been booked with the flight number 1027. 
 customer: Thank you for your booking. 
 agent: Thank you for opting us.
agent: Please wait a minute.