You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I'm Jonathan Miller. I need your help in booking a ticket from DFW to MSP, can you please help me out?

ASSISTANT: Sure. Could you let me know your planned travel dates?

USER: Sure, I want to start my journey from here on 11/21 and end on 11/23.

ASSISTANT: Do you need a flag stop in between your journey points?

USER: Yes, I need 1 halt in between.

ASSISTANT: Ok, there is a flight matching all your requirements. Delta airline with flight number 1020 and the cost of ticket is 300.

USER: Fine, please proceed for booking.

ASSISTANT: Your booking has been processed and your e-ticket will be sent to your mail address shortly.

USER: Thank you so much for booking.

ASSISTANT: Thank you for choosing us.