Hello, I am Joseph Jackson.
user
Hello, how may I best serve you today?
assistant
Help me in booking a flight ticket from EWR to IAH.
user
Sure, may I know your  travelling dates?
assistant
My travelling dates are on 03/15 and return on 03/17.
user
Please wait for a moment.
assistant
Sure, I will wait.
user
Thank you for waiting, there are no flights found with your specified dates.
assistant
Ok, no issues. Thanks for your information.
user
Thank you for availing with us.
assistant