Hi. I am Lisa Johnson.
user
 Hello, how may I oblige you today?
assistant
I need to book  a flight ticket from DCA to IAH, Can you please help me for booking?
user
Sure, can you please share your journey dates that you prefer to travel?
assistant
I would like to travel on 02/02 to return on 02/04.
user
There is a connected flight in JetBlue airlines with the fare 100.
assistant
Ok, proceed for booking.
user
Your booking is done.
assistant
Thanks for your information.
user
Thank you.
assistant