Hi.
user
Hello, how may I guide you?
assistant
Can you help me to book flight ticket from IAD to DFW?
user
Sure, please share your journey dates?
assistant
My journey dates are Feb 28 and Mar 01.
user
Do you have any specifications?
assistant
I prefer a connecting flight with economy class.
user
May I know your good name?
assistant
I am Robert Collins.
user
Sorry, no flights found on your given details.
assistant
Ok, not a problem. Thank you.
user
Thank you for choosing us.
assistant