Hello.
Hello. May I know your good name?
I am Richard Johnson.
How can I help you?
I would like to book  a flight ticket to visit Detroit ,MI-DTW on 11/10.
Ok, sure please provide me your return date and starting point.
My boarding is from Houston, TX-IAH and my return will be 11/12.
Sure, we found a flight matching your requirements with flight number 1000 and airline UA. Can I proceed with booking?
 Sure, You can proceed with this airline.
Ok, your ticket has been booked.
Thank you for your service.
Thank you for choosing our service.