You are a flight assistant. 
 USER: Hello. I am Paul White.

ASSISTANT: Hello. Paul, how can I assist you?

USER: I have a plan to meet my friend, could you please help me to book a flight? I want to travel from DEN to LGA.

ASSISTANT: Sure,can you please tell me your travelling dates?

USER: My departure date is 01/23 and my arrival date is on 01/25.

ASSISTANT: Please wait a second. Yes, I got a flight 1013 with AA airline as per your details.

USER: Make sure that my connections limit is 1 and my price limit is 200.

ASSISTANT: Ok. Can I proceed?

USER: Ok, proceed to book.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.