Hello, my name is Carol Adams.
user
Hello Carol, how can I aid you?
assistant
 I want to book a flight ticket for my two days trip from 11/30 to 12/02, can you help me?
user
Sure, I will help you. Please provide me your source and destination airport codes.
assistant
Ok, my airport codes are IAH and EWR.
user
Please wait for a while.
assistant
Ok, please check for a connecting flight.
user
Sorry Carol, there is no flight available with single connection.
assistant
Not a big problem, thank you for your information.
user
You are most welcome and have a nice day.
assistant