Hi, I am Richard Edwards.
user
Hello, how can I help you?
assistant
I need to book a flight ticket to Philadelphia to visit Museum of art could you help me in booking from 01/30.
user
Sure, may I know your return date?
assistant
I need to return on 02/01.
user
Could you please help me  with your airport codes?
assistant
I want to land at Philadelphia, PA - PHL. I want to take off from Houston, TX - IAH.
user
Please wait for a while.
assistant
Ok.
user
No flights found on your requested dates.
assistant
Ok, no issues. Thanks for your help.
user
Thank you for approaching us.
assistant