Hi.
Hello, how can I help you?
 I want to book a flight ticket for my two days trip from 03/09 to 03/11, can you help me?
May I know your desired airport codes please?
Ok, my source and destination airport codes are DTW to DEN.
Please wait a while.
Ok, take your time.
May I know your name please?
My name is Samuel Miller.
Sorry to say, there is no flight on your desired travel dates.
Ok, no problem.
Thank you for opting us.