You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Mary Lee planning to surprise my father on his birthday, can you book a ticket on 08/27 and 08/29?

ASSISTANT: That's nice Lee, I will help you. Can I know from which location you want to travel?

USER: Sure, I want to start my journey from DCA.

ASSISTANT: Ok, may I know your destination code?

USER: Sure, my destination code is JFK.

ASSISTANT: The Frontier airline with flight number 1008 is available having price as 100 and connection as 1.

USER: That's perfect! Proceed with my booking.

ASSISTANT: Ok, your plane ticket is successfully booked as per your details.

USER: Thank you.

ASSISTANT: Thank you for choosing us.