Hello, myself William Collins.
Hello. Collins, what can I do for you?
I have planned a trip with my ex-colleagues who are staying at Detroit, can you help me to book a ticket from IAH to DTW?
Sure, can I know the trip dates please?
My preferable dates are from 02/22 to 02/24.
Ok, wait a moment.
Ok.
There is a flight for you in Southwest airline, shall I book it?
Yes, you can confirm my ticket.
I have booked your ticket with flight number 1017.
Thank you for booking a ticket.
You are welcome.