Hi.
user
Hello, how can I helpful to you?
assistant
I am Richard Smith.
user
Ok.
assistant
I need to travel to Boston, BOS to attend a seminar in my college. Could you please make the reservation for me?
user
Sure, let me know your price limit?
assistant
I can afford up to 500.
user
When you have planned to travel?
assistant
I will start on 08/12.
user
Ok, where you want to board from?
assistant
My  boarding point is Washington, DCA.
user
When you are intend to return from Boston?
assistant
My return will be on 08/14.
user
Please wait for a while.
assistant
Sure.
user
I found a direct flight based on your preferable locations.
assistant
I need a connecting flight.
user
Ok.
assistant
Do not proceed further. Thank you.
user
Thanks for contacting us. Have a nice day.
assistant