Hi. I am Larry Brown.
user
Hello, how can I best serve you today?
assistant
I have a plan to go for a business tour at Washington, please book a flight ticket under price 500.
user
Sure, which airports do you planned to travel?
assistant
My airport codes are HOU and DCA.
user
When do you want to start and return on?
assistant
My travelling dates are from 01/03 to 01/05.
user
Thank you for your details, there are no flights found with the given details.
assistant
No issues, thank you.
user
Thank you.
assistant