You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donald Smith.

ASSISTANT: How can I assist you today?

USER: Can you help me booking flight from ATL to LGA to reach my grandparents?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are 08/07 and 08/09.

ASSISTANT: Please give a moment to check the flights.

USER: Provide flight with connection 1.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 200. Is it ok for you?

USER: Yes, it is ok book it.

ASSISTANT: Ok, your ticket has been booked in flight number 1020.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have a great journey.