Hi, Emma Mitchell here.
user
Hello, how may I help you?
assistant
I want to go on a weekend trip to Houston. Can you help me in booking a ticket from DCA to HOU?
user
Sure, may I know your price limit to search for the flight?
assistant
Sure, my price limit is 1000.
user
Ok, could you please provide your travelling dates?
assistant
My travelling dates are from 03/17 to 03/19.
user
Sorry to say, no flights were found on your dates.
assistant
Ok, no problem.
user
Thank you for reaching us, have a nice day.
assistant
Thank you for checking.
user