You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Mary Hill. I need to travel Detroit to meet my friend, can you please reserve flight ticket from ORD and DTW?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Apr,22 and Apr,24.

ASSISTANT: May I know your fare limit?

USER: My budget limit is 5000.

ASSISTANT: We found a economy flight on your details with airline Spirit, flight number: 1007. Shall I book this ticket?

USER: Please proceed with the reservation.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you.