Hello.
user
Hello,.
assistant
I am Mark Phillips.
user
How may I assist you?
assistant
 I would like to enquiry about flight to BOS from JFK, I'm off to a conference at starting of the month.
user
Please provide your journey dates?
assistant
Sure, I need to go on 10/07 and back on  10/09.
user
Please specify price limit?
assistant
I can spend up to 500.
user
No flight is available with your requirement.
assistant
No issue. Thank you for your time.
user
Thanks.
assistant