You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me to reserve a plane ticket from ORD to SEA?

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

USER: Thank you for accepting my request. My travel dates are Dec 30 and Jan 01.

ASSISTANT: Do you have any preferences about flight connections?

USER: I prefer to travel in a single connecting flight.

ASSISTANT: Please mention your name.

USER: My name is Gregory Collins.

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

USER: Yes, please proceed with the ticket booking.

ASSISTANT: Your ticket is booked. The flight number is 1008.

USER: Thank you for your help in reserving my flight ticket.

ASSISTANT: Welcome, have a great day.