Hi.
user
Hello.
assistant
I am Justin Walker.
user
 How can I assist you?
assistant
I am planning to travel from HOU to IAD, can you help me in booking a flight?
user
May I know your travelling dates?
assistant
My travelling dates are 08/14 to 08/16.
user
 Do you have any preference?
assistant
I need 1 connection flight.
user
We found  a connecting flight Frontier with fare 200 and flight number is 1015. Shall I proceed?
assistant
 Proceed for booking.
user
 Your booking is confirmed.
assistant
Thank you.
user
 Thank you for availing us.
assistant