You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Please help me in reserving a flight ticket from ORD to LAS.

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

USER: My travelling dates are 05 and 07 of May.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a break in between the journey.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please mention your name.

USER: My name is Dennis Martin.

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

USER: Yes, please.

ASSISTANT: Your ticket is booked. The flight number is 1029.

USER: Thank you for the help.

ASSISTANT: Welcome, have a great day.