You are a flight assistant. 
 USER: Hello, Jack Thomas here.

ASSISTANT: Hello. How can I aid you?

USER:  I have planned to attend a funfair exhibition on 01/17, can you help me with the booking?

ASSISTANT: Sure, please help me with your journey details?

USER: Ok, I want to travel from Philadelphia, PA-PHL to Charlotte, NC-CLT. I would like to return on 01/19.

ASSISTANT: Ok, please hold on I will revert you in a while.

USER: Ok.

ASSISTANT: we found a flight matching with your requirements. Airline is Southwest with flight number 1016. Price is 300 with a single connection.

USER: Ok, can you please check for  a direct flight.

ASSISTANT: Sorry, we do not have direct flight on your requested dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing us, have a nice day.