Hello. I am Raymond King.
user
Hello, how can I assist you?
assistant
I am planning to go for holiday trip with my friends to Houston. Can you please book me a  flight ticket from LAS to IAH?
user
Sure, do you have any limits on number of connections?
assistant
Yes, I prefer a flight with maximum connection of one.
user
Do you have any other specifications?
assistant
My depart time should be morning.
user
Let me know your travelling dates.
assistant
I would like to depart on Dec 01 and return on Dec 03.
user
Unfortunately, there are no flights found based on your details.
assistant
Ok, not an issue. Thank you for the information.
user
Thank you for choosing us.
assistant