You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to book flight ticket from ORD to SEA?

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

USER: My trip dates are Feb 19 and Feb 21.

ASSISTANT: Do you have any preferences about flight connections?

USER: I would prefer single connection flight.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please mention your name.

USER: I am Patrick Jones.

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

USER: You can confirm it.

ASSISTANT: Your ticket is booked. The flight number is 1009.

USER: Thank you.

ASSISTANT: Welcome, have a great day.