You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Susan Davis.

ASSISTANT: How can I provide service to you?

USER: I need to book a flight ticket to attend a conference meeting at CLT, Can you please help em for booking from PHL?

ASSISTANT: Sure, let me know your journey dates?

USER: I would like to travel on 05/14 to 05/16.

ASSISTANT: Is there any restriction on fare?

USER: I can pay up to 500.

ASSISTANT: Ok, are you looking for direct flight or a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, I found a connecting flight with 1021 flight number of price 200 from Southwest airline. Shall I confirm your flight booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thanks for using our service.