Hello. My name is Kevin Harris.
user
Hello, what can I do for you today?
assistant
I would like to travel to Boston MA -BOS from Austin TX - AUS to celebrate united states independence day. Can you please,  Help me to book a ticket?
user
Sure, please provide your journey date.
assistant
My depart day is on 07/04 and return day is on 07/06. Price limit of 500 and connections limit of 1 are my other restrictions to be met.
user
I am sorry to inform you that there is no flight available regarding your journey. Sorry for the inconvenience. Thanks for choosing us.
assistant
It's OK. Thank you for the information.
user