Hello. My name is Larry white.
user
Hello, how may I assist you?
assistant
Can you please book me a flight ticket to IAH from PHL?
user
Sure, may I know your planned travel dates please?
assistant
Sure, my trip dates are from 04/27 to 04/29.
user
Sorry, there is no flight on your requested travelling dates.
assistant
That's ok, thank you for the information.
user
You are welcome.
assistant