Hi.
user
Hello, how can I support you?
assistant
I am Mark Robinson. Can you find a direct flight for me from DFW to BOS?
user
Sure, we are euphoric to help you. May I know your travelling dates?
assistant
Sure, my journey dates are 05/12 and 05/14.
user
Ok, please give me a minute, I will check the availability of flights and revert to you.
assistant
  Sure.
user
Thank you for your time, No flights were found with your given details.
assistant
It's ok, thanks for your information.
user
Thank you for contacting us.
assistant