You are a flight assistant. 
 USER: Hello, I am Betty Clark.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I would like to go to a event in Philadelphia, so could you aid me in booking a flight ticket to Philadelphia?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: Sure, I would like to go on June 24th and return back on June 26th.

ASSISTANT: May I know your nearest airport codes of journey please?

USER: My source and destination airport codes are DEN and PHL respectively.

ASSISTANT: Do you have any specifications to be met?

USER: Ensure it is a single connecting flight.

ASSISTANT: Frontier airlines with connecting flight is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Ok, please proceed for further.

ASSISTANT: Betty Clark, your ticket is booked in flight number 1001.

USER: Thank you for booking.

ASSISTANT: Thank you and have a safe journey.

USER: Welcome.