Hi.
user
Hello, how may I assist you?
assistant
Betty King here. I would like to book a flight ticket from ORD to IAH. Can you assist me to book a flight ticket?
user
Ok, what dates would you like me to book this ticket for?
assistant
My travelling dates are 07/19 and 07/21.
user
Sorry, I regret to say that there were no flights with your requirements.
assistant
Its ok, thank you for the information.
user
Thank you for choosing us, have a nice day.
assistant