hELLO. Hello, I am Dennis Jackson.
user
Hello, How can I serve you?
assistant
I am planning to visit my nephew's house in Boston, can you please help me to book a flight ticket in the dates of 11/16 and 11/18?
user
Sure, I will help you with that. Can you please provide me your airport abbreviates?
assistant
My source is PHX and destination is  BOS.
user
Do you have any price limit?
assistant
I have a price limit of 500.
user
Ok, wait for a minute, I will revert you with the availability.
assistant
Sure.
user
Thanks for your time. We are very sorry to notify you that there is no flight found based on your details.
assistant
Ok, no problem. Thanks for your help.
user
Thank you for choosing us, Have a great day.
assistant