Hello.
user
Hello, how may I aid you?
assistant
I am planning to book a ticket from IAH to EWR. Can you please help me out?
user
Sure,  please provide your itinerary dates.
assistant
I am planning to travel on Dec 15 and return back on Dec 17.
user
Do you prefer a direct or connecting flight?
assistant
I am looking for a direct flight.
user
In which class do you prefer to travel?
assistant
I am ok with any class.
user
Do you have any other specifications?
assistant
No.
user
May I know your name?
assistant
My name is Gregory Lee.
user
Sorry Gregory Lee, no direct flight is available on your route.
assistant
That's fine, thank you for your service.
user
Thank you for reaching us.
assistant