Hello.
user
Hello. How can I help you?
assistant
I am Jeffrey Baker. Can you book ticket from DFW to IAD. I Want to attend the business meeting in Dallas.
user
Could you please provide your travelling dates?
assistant
Well, my preferable dates of travelling are from 03/27 till 03/29.
user
Sorry, there is no flight available at your request.
assistant
It's ok.
user
Thank you for contacting us. Have a nice day.
assistant
Thank you for your good service.
user