You are a flight assistant. 
 USER: Hi, I am Donna Hall.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend Carnival of Illusion in Phoenix, AZ - PHX in my holidays. So, help me with booking a flight ticket under 5000 fare.

ASSISTANT: Sure, may I know your boarding point?

USER: My boarding point is Dallas & Fort Worth, TX - DFW.

ASSISTANT: Could you please provide me your planned journey dates?

USER: Sure, my planned journey dates are as 04/05 is my start date and 04/07 is my return date.

ASSISTANT: Do you need halt in between your journey?

USER: Obviously, I need a halt in between my journey.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Frontier airline, flight number: 1027, price: 200 with one connection.

USER: Perfect, you may please proceed to book.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you so much for your kind help.

ASSISTANT: Thank you for choosing us.