You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I would like to travel from PHL to CLT as a holiday trip. Can you do the reservation?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: My trip dates are Sept 21st and Sep 23rd.

ASSISTANT: Can you please provide your name for the booking purpose?

USER: Andrew Perez here.

ASSISTANT: Do you need any other requirements for your journey?

USER: I need only direct flight with economy class.

ASSISTANT: There is a direct flight on your route which departures in the morning having a ticket fare of 100 by Southwest airlines. Shall I proceed with the booking?

USER: Please carry on.

ASSISTANT: I have reserved your flight ticket with the flight 1004 in an economy class.

USER: Thank you.

ASSISTANT: You are welcome, thank you for reaching our service. Have a safe journey.