You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service do you need from our agency?

USER: I would like to meet my sister at Philadelphia, please help me in booking a ticket from IAD to PHL.

ASSISTANT: Sure, I am here to help you. Could you please tell me your departure and arrival dates?

USER: My planned travel dates are on Aug 24 and Aug 26.

ASSISTANT: Is there any connection limit preference?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any specifications for your journey?

USER: No more specifications.

ASSISTANT: Ok, please tell me your name.

USER: My name is Anthony Rodriguez.

ASSISTANT: There is a flight in the Spirit airlines with the  ticket cost 200. Shall I reserve your ticket?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket is reserved with the flight-1007. Have a nice journey.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing us.