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