Hi. I am Michelle Thompson.
user
Hello, how may I help you?
assistant
Can you please reserve me a flight ticket from Denver, DEN  to Boston, BOS to attend a film festival?
user
Sure, please share your journey dates?
assistant
My planned journey dates are 09/12 and 09/14.
user
Do you need any other requirements?
assistant
Price should not exceed 500. I need a lay by in between my journey.
user
Please wait for a while.
assistant
Sure.
user
Sorry, no flights found on your given dates.
assistant
It's ok, I will check with another airline. Thank you.
user
Thank you for choosing us.
assistant