Hello.
user
Hi. How can I help you?
assistant
I am Benjamin Martin. I am planning a small weekend trip with my friends.
user
sure. Could you  let me know more details?
assistant
My planning dates are from 11/23 to 11/25.
user
source and destination?
assistant
My airport codes are from IAH to IAD.
user
Please wait. while i check. There are no flights on these dates available as everything is booked for now. Would you want any other assistance?
assistant