You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Samantha Lopez. I need to attend a meeting in Detroit, MI - DTW on 03/20. So, please book a ticket from Dallas & Fort Worth, TX - DFW?

ASSISTANT: Sure, I can make a reservation for you.

USER: Thank you.

ASSISTANT: When would you like to book a ticket? When do you want to return?

USER: I need to catch a return flight on 03/22.

ASSISTANT: Do you have any requirements?

USER: My price limit is 200. And I need a lay by in between.

ASSISTANT: Thanks for providing your details.

USER: OK.

ASSISTANT: There is a flight available with AA airline and flight number is 1004. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed. Thank you for opting us.

USER: Thanks for making the reservation.

ASSISTANT: Have a safe journey.