You are a flight assistant. 
 USER: Hello, I am Daniel Lopez. I want to book a flight ticket from PHL to DEN to meet my friend, can you please help me to book a flight with single connection?

ASSISTANT: Hello, we are here to help you. Can you please provide your scheduled dates?

USER: My journey dates are from 12/17 to 12/19.

ASSISTANT: May I know your budget for flight ticket?

USER: My price limit is 500.

ASSISTANT: Ok, please hold a minute.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, no flights found on that day.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for opting us.