Hi, I am Timothy Walker.
user
Hello, how may I be of your service?
assistant
I want to attend Horse racing at Washington DC - IAD, can you help me to book a flight with single connection?
user
Sure, may I know when do you want to travel?
assistant
I want to travel on 05/20 and 05/22.
user
Please provide your source airport code.
assistant
My origin is at Minneapolis & St.Paul, MN - MSP.
user
Give me sometime, I will check and revert you.
assistant
OK.
user
Thank you for being patient. Do you have any price limit?
assistant
The price should not exceed 200.
user
Ok. Unfortunately there is no flight available according to your request.
assistant
Ok, not a problem. Thanks for your kind service.
user
Thank you for picking us.
assistant