Hello.
user
Hello, how may I help you?
assistant
Can you help me in  booking my flight ticket from PHL to HOU?
user
Sure, I am here to help you. May I know your travel dates?
assistant
My trip dates will be Jan 30th to Feb 1st.
user
Noted. Please wait for a while, let me check for the available flights.
assistant
Sure.
user
May I know your name?
assistant
I am Helen Roberts.
user
Sorry, there is no flight available on your preferred travel dates.
assistant
Its ok, thank you.
user
You are most welcome.
assistant