You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I would like to visit Detroit to meet my brother, please help me in booking a ticket from LGA to DTW.

ASSISTANT: Sure, let me know your travelling dates?

USER: My travel dates are 06/21 and 06/23.

ASSISTANT: Do you need any halt in between your journey?

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

ASSISTANT: Ok, Is there any class preference?

USER: I need an economy class ticket, please find the availability of flights.

ASSISTANT: May I know your good name please?

USER: My name is Betty Walker.

ASSISTANT: We found a Spirit airline with fare 400 and a halt in between the journey. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: You ticket has been confirmed with flight number 1019.

USER: Thank you for your assistance.

ASSISTANT: Thanks for choosing us.