Hi. I am Raymond Parker.
user
Hello, how may I serve you at this moment?
assistant
Could you please book a flight ticket to IAD from HOU?
user
Sure, I will help you. Please send your travelling dates.
assistant
My travelling dates are Dec 28 and Dec 30.
user
Noted. Do you have any class or time preferences?
assistant
I want to return in the morning.
user
Sorry, there is no flight available on your travelling dates.
assistant
Not a problem, thank you for the information.
user
You are welcome, have a nice day.
assistant