Hello.
user
Hello.
assistant
Can you help me to book a flight ticket from DFW to PHL?
user
How can I  help you? Your travelling dates please?
assistant
Ok, my planned dates of journey are June 14 and June 16th respectively.
user
Do you have any specifications?
assistant
Yes, I need a connecting flight which depart during evening.
user
May I know your name please?
assistant
My name is Elizabeth Green.
user
I am sorry no flights found on your route.
assistant
That is ok, thank you for assisting me.
user
Thank you for choosing us.
assistant