Hello. I am Donna Taylor.
user
Hello, How can I help you?
assistant
I am planning to visit Central Park at Houston, could you please help me with booking a flight ticket?
user
Sure, May I know the travel dates?
assistant
My travelling dates are 09/26 and return on 09/28.
user
Please help me with your journey codes.
assistant
My airport codes are AUS and  IAH.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No flights found with your chosen dates.
assistant
No problem, thank you for your information.
user
Thank you for reaching us.
assistant