Hello, I am Frank Hernandez.
user
Hello. How can I aid you today?
assistant
Could you help me in booking a flight ticket from Washington to Minneapolis & St. Paul within a price limit of 200?
user
Sure, to book a ticket can I have your airport codes?
assistant
My source and destination airport codes are DC - DCA, MN - MSP.
user
May I know when you are planning to travel?
assistant
My departure day is 09/21, return day is 09/23.
user
Please wait for a while.
assistant
Sure.
user
Unfortunately there are no flights found with your given information.
assistant
No problem, thank you.
user
Thank you for opting us.
assistant