Hello. I am Elizabeth Baker.
user
Hello, How can I serve you?
assistant
I want to attend for my brother seminar at Washington DC - IAD. Can you help me with book a ticket from Dallas & Fort Worth, TX - DFW?
user
Sure, Please help me with your travel dates.
assistant
My travelling dates are 08/19 to 08/21.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
No problem, thanks for your information.
user
Thank you for availing us.
assistant