You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to travel on 03/25 for my exams, can you help in finding a flight?

ASSISTANT: Sure, I am glad to help you. Can you please tell me your source an destination codes?

USER: It's a round round trip from LGA to LGA.

ASSISTANT: Ok, please tell me your arrival day.

USER: I will be back on 03/27.

ASSISTANT: Ok, may I know your name please?

USER: I am Gary Williams.

ASSISTANT: Ok, the Delta airline with flight number 1012 is available having price as 100 and connection as 1. Would you like me to book this plane ticket?

USER: Book the flight for me.

ASSISTANT: Ok. Your plane ticket is booked.

USER: Thanks for helping me in booking.

ASSISTANT: Thank you for choosing us.