Hi.
user
 Hello, how may I oblige you today?
assistant
I am Kevin Phillips. Can you find a flight for me from DCA to IAH?
user
Sure, can you please share your journey dates that you prefer to travel?
assistant
Ok, my planned dates are from 08/18 and 08/20.
user
There is a connected flight in Spirit airlines with the fare 200.
assistant
Yes, please.
user
Your booking is done.
assistant
Thanks for your help.
user
Thank you for opting us.
assistant