Hi.
user
Hello, how may I help you today?
assistant
 I am Charles Parker, want to book a flight ticket to Boston with price under 200. Can you help me with it?
user
Sure, can you please share me your journey points?
assistant
Journey dates are 03/31 and 04/02. My journey points are ORD-BOS.
user
Ok, please wait for a minute.
assistant
Sure.
user
Thank you for waiting, sorry to inform you that unfortunately there is no flights available by the given details.
assistant
Ok, no issues. Thanks for the help.
user
Thank you for availing us. Have a good day.
assistant