Hi,.
user
Hello. How can I assist you today?
assistant
Please book a ticket from Houston,TX-IAH to Washington DC-DCA.
user
Sure, will you mention your travelling dates please?
assistant
My travelling dates are from 01/16 to 01/18.
user
Please give me a moment.
assistant
Sure.
user
Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?
assistant
Please provide flight number?
user
 The flight number is 1015 and the airline is Hawaiian.
assistant
Please book a ticket.
user
Your ticket is reserved. Thanks for reaching us.
assistant
Thank you.
user