You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Stephanie Campbell. Need your assistance for booking to book a flight ticket to Boston, MA - BOS and it is a round trip.

ASSISTANT: Sure, I will assist you. May I know your dates of travel?

USER: I would like to depart on 02/12 and return on 02/14.

ASSISTANT: Do you have any specifications?

USER: I can afford up to 500.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline Spirit with flight 1001 having a fare 100 with halt. Shall I proceed with booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been processed.