Hello. Donna Jones here.
user
Hello, how may I assist you today?
assistant
I want to book a flight from IAH - LAS, can you help me?
user
May I know your desired travel dates please?
assistant
My travelling dates for this journey will be from 03/19 to 03/21.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
Ok, no problem. Thank you for checking anyways.
user
Thank you for opting us.
assistant
You are most welcome.
user