Hello, I am Eric Evans.
user
Hello, how may I help you?
assistant
I want to book a flight ticket  within price 5000 to give a seminar at Philadelphia.
user
Can I know your journey details?
assistant
My depart date is on 01/06 and return date is on 01/08.
user
Can I know your airport codes?
assistant
I need a connection between my journey from Houston, TX- HOU to Philadelphila, PA- PHL.
user
Wait a while, I will be back with your details.
assistant
Ok.
user
No flights found with your details.
assistant
Ok, no issues. Thank you for your service.
user
Thank you, have a great day.
assistant