You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you at this pleasant evening?

USER: Can you assist me in booking a flight ticket to PHL from EWR to attend a workshop in the month of December?

ASSISTANT: I am gleeful to help you with that. May I know your travelling dates?

USER: Thank you for considering my request. My travelling dates are Dec 11 and Dec 13.

ASSISTANT: Which airline do you prefer to fly?

USER: I prefer to travel in a normal-cost airlines.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight for my journey.

ASSISTANT: May I know your name?

USER: Ok, my name is Rachel Lewis.

ASSISTANT: Sorry for the inconvenience, I did not find any flight on your route to reserve your ticket.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for connecting with us.