You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Brain Robinson. I am planning to book a flight for my friend, can you help in booking? my date of travelling is on 03/20 to 03/22.

ASSISTANT: Ok, please provide me your airport codes?

USER: Airports code are LAS to JFK.

ASSISTANT: Ok, wait a moment. As per your request, we found a flight for you. Shall I book a flight?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is confirmed with flight number 1016 and airline is JetBlue.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a safe flight.