customer: Hello, I'm Michelle Thompson. 
 __ 
 customer: I am looking for a flight on the route DCA to LAS, can you please find any airlines providing service on this route? 
 agent: Sure, this agency is for booking a flight tickets only. Can I have your journey dates? 
 customer: I would like to travel on 12/10 and return back on 12/12. 
 agent: Ok, please wait for a while to check in our data base. 
 customer: Ok sure, take your time. 
 agent: Sure, as per your information there is no flights available to your dates provided. 
 customer: That's ok, thank you. 
 agent: You are welcome.
agent: Hello, how may I assess you?