Hello, myself Michael Johnson.
user
Hello, how can I help you?
assistant
I would like to visit Washington to meet my college friends, please help me in booking a ticket.
user
Sure, I will help you. May I know your journey dates please?
assistant
My journey dates are 09/23 and 09/25.
user
Please help me with your airport codes.
assistant
My airport codes are SEA and IAD.
user
There are no flights available at this moment.
assistant
Ok, no issues. Thank you for your information.
user
Thank you for choosing us.
assistant