Hi.
user
Hello. How may I assist you today?
assistant
I am Michael Collins, can you help me by booking a flight with 500 price limit?
user
Sure, I am glad to help you in booking, please share your travelling dates?
assistant
My travelling dates are 05/18 and 05/20.
user
May I know your journey airport codes?
assistant
My airport codes are DCA and PHL.
user
Sorry, no flights as per your details.
assistant
Ok, no issues. Thank you.
user
Thank you for reaching us.
assistant