You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to book a flight ticket from PHX to ATL?

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

USER: Ok, please book for the dates I had planned which are May 25th and may 27th.

ASSISTANT: Do you have any preferences about flight connections?

USER: Ok, please can you book a flight with single connection limit?

ASSISTANT: Do you have any preferences about class?

USER: Yes, I need a economy class flight.

ASSISTANT: Please mention your name.

USER: My name is Eric Hall.

ASSISTANT: The American Airlines providing an economy class flight with price 100 and the connections 1. Shall I confirm your ticket?

USER: Ok, please book a ticket.

ASSISTANT: Your ticket is booked. The flight number is 1000.

USER: That is perfect, thank you for helping me with the ticket booking.

ASSISTANT: Welcome, have a great day.