Hi.
user
Hello, welcome to our UA travelling agency. How may I assist you?
assistant
I am crazy to go at Boston with my friends, please book a flight ticket from IAD to BOS.
user
Sure, could you please specify your preferable dates of travel?
assistant
Sure, my preferable dates are from 07/17 to 07/19.
user
Ok, wait for a moment.
assistant
Ok.
user
Sorry, there is no flight is available as per your travelling details. Sorry, for the inconvenience.
assistant
No problem, I will look for another way. Thank you for your information.
user
Could you please mention you name for further process?
assistant
Sure, my name is Barbara Lopez.
user
Ok, thank you for providing such information.
assistant
It's ok.
user
Thank you for your service.
assistant