Hi, I am Joseph Phillips.
user
Hello, how may I aid you today?
assistant
 I would like to take my children to Providence Children's Film Festival at Phoenix, PHX. Can you please help me with it?
user
Sure, please share your travelling dates?
assistant
Travelling dates are 04/15 and 04/17.
user
Do you have any connection limit?
assistant
I need a direct flight.
user
OK, how much you can afford for the flight ticket?
assistant
I can afford up to 200.
user
May I know your source airport code?
assistant
Source airport code is DCA.
user
Ok, please wait for few minutes.
assistant
OK.
user
Thank you for waiting, we did not find any flights matching your credentials.
assistant
Ok, no issues.
user
Thank you for approaching us.
assistant
Thanks for the help.
user