You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from ATL to DTW. Can you please make a reservation for me?

ASSISTANT: Your travelling dates please?

USER: Sure, I want to depart on July 1 and intend to return on July 3.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Is there any specifications?

USER: I prefer an economy class to travel.

ASSISTANT: There is a flight with single connection in Frontier airlines, can I proceed for booking in 1012 flight?

USER: Ok, please proceed.

ASSISTANT: On which name can I proceed for booking?

USER: I am Margaret wright.

ASSISTANT: Your booking is done in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.