You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am Jennifer King. I am looking for a direct flight from PHX to CLT. Can you please search and book the flight ticket for me?

ASSISTANT: Sure, I will help you. Please send your trip dates.

USER: Sure, I want to depart on Mar 5th and I want to return back on Mar 7th.

ASSISTANT: Do you have any limitations?

USER: I can only pay 200 for the ticket.

ASSISTANT: There is a direct flight available with Southwest airline, shall I proceed? Ticket price is 100.

USER: That's perfect, you can proceed for booking.

ASSISTANT: Your booking is done with flight number 1023. Happy journey.

USER: Thank you very much for helping me.

ASSISTANT: You are welcome, have a nice day.