Hello.
user
Hello, how can I help you?
assistant
I am Eric Martin. I want to book a flight ticket from DFW to SEA. Could you help me in booking?
user
Sure, may I know your planned travel dates?
assistant
My planned travelling dates are from 05/19 to 05/21.
user
I am sorry but we don't have any flights available on given dates by you.
assistant
That's ok, no problem. Thank you.
user
Thank you.
assistant