You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Margaret Roberts. I want to book a flight ticket from ATL to PHL. Could you help me in booking?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are from 01/14 to 01/16.

ASSISTANT: How much can you afford for a ticket fare?

USER: My fare limit is 500.

ASSISTANT: We found a flight in an airline Spirit with 1004 number having a single connection price of 200. Shall I reserve?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.