You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Mary Johnson. Can you book a flight ticket from DFW to ORD?

ASSISTANT: Mary Johnson, I am here to help you for this. When would you like to travel?

USER: I will start on Aug, 22 and return on Aug, 24.

ASSISTANT: Do you have any airline preference?

USER: I am comfortable with any one.

ASSISTANT: Do you have any other requirements?

USER: I need a stopover.

ASSISTANT: As per your information, I found a flight with Frontier airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Please book.

ASSISTANT: your ticket is reserved in economy class with the flight-1006.

USER: Thank you.

ASSISTANT: Thank you very much for approaching our agency.