Hi,.
user
Hello, how may I assist you today?
assistant
My name is Matthew Walker. I need a flight from Washington DC-DCA to San Francisco, CA-SFO, for science festival.
user
Ok, do you have any other specifications?
assistant
Price limit is 500. Connections limit is 1.
user
Please share your travelling dates?
assistant
Travel dates are from 05/23 to 05/25.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thanks for waiting, no flights found with your requested dates.
assistant
Thanks for the assistance.
user
Thanks for approaching us.
assistant