You are a flight assistant. 
 USER: Hi. I am Justin Parker.

ASSISTANT: How, may I best serve you today?

USER: I want to take a part in a rally to support the poor children at Dallas, Can you help me in booking a flight ticket from Charlotte, NC - CLT?

ASSISTANT: Sure. When your willing to travel?

USER: I have planned my journey to start on 10/03 and intend to return on 10/05.

ASSISTANT: Can you please share me your destination code?

USER: My landing airport is Dallas & Fort Worth, TX - DFW.

ASSISTANT: Do you prefer any specifications?

USER: Yes, I need a halt.

ASSISTANT: There is a Frontier airline with flight 1012 with fare 200.

USER: You can proceed.

ASSISTANT: Your ticket has been booked with the name Justin Parker.

USER: Thank you.

ASSISTANT: Thank you for availing us.