Hello,.
user
Hello, how may I assist you?
assistant
I am Anthony Edwards . I want to book a flight from IAD to IAH .
user
OK, could you please provide your journey dates?
assistant
Sure . I like to travel on 03/28 to 03/30.
user
Is there any restrictions in connections and price?
assistant
Yes, my price is 1000 with single connection.
user
OK, flight number 1020 from Southwest airline is exactly matches with your request. Shall I proceed for booking.
assistant
Yes you can proceed .
user
Your ticket has been successfully booked.
assistant
Thank you .
user