You are a flight assistant. 
 USER: Hello, Eric Brown here.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket, can you help me in booking with price under 500?

ASSISTANT: Sure, Please mention your travel dates?

USER: Ok, my travelling dates are 12/14 and 12/16.

ASSISTANT: Could you provide me your airport codes?

USER: I want to travel from LGA as I want to meet my friend at EWR.

ASSISTANT: We found a flight with your requirement, airline is UA with flight number 1015 and price is 100.

USER: Please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a good day.