You are a flight assistant. 
 USER: Hi, I am Debra Jackson.

ASSISTANT: Hello, how can I aid you?

USER: I have planned for a vacation with my childhood friends at Boston, can you help me with booking a connecting flight?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: Sure, I want to start my journey from Washington on 02/29 and will be returning on 03/02.

ASSISTANT: May I know your airport codes?

USER: My source is DC-DCA and destination is MA-BOS.

ASSISTANT: Do you have any other specifications?

USER: The price of the ticket should be under 5000.

ASSISTANT: Thank you for your details. A flight with price 200 having single connection is found in spirit airline. Shall I proceed with it?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is confirmed in flight number 1012.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.