Hello.
user
Hello. How may I aid you?
assistant
I am Joshua Nelson, want to travel from CLT to DCA. Please help me in booking my ticket.
user
Ok, please help me with your travel dates.
assistant
Sure, my travelling dates are from 12/14 to 12/16.
user
Please wait a moment.
assistant
Sure.
user
Nelson, no flights has been found on your requested dates of journey.
assistant
It's ok, thank you for your help.
user
Thank you for choosing us. Have a nice day.
assistant