Hello.
user
Hello. How can I assist you?
assistant
I am Susan Turner, want to travel from PHL to IAD. please help me in booking my ticket.
user
Can I know your travel dates?
assistant
Sure, my travelling dates are from 10/16 to 10/18.
user
Sorry Susan, there is no flight available on your requested dates.
assistant
It's ok, thank you for your help.
user
You are welcome.
assistant