You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to meet my school friend in Seattle, so please book a flight ticket from PHX to SEA.

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

USER: I want to fly on June 23, return on June 25.

ASSISTANT: Do you have any specifications?

USER: I want a business class flight ticket. And I want a flight with one connection.

ASSISTANT: Do you any other preferences?

USER: No.

ASSISTANT: Please provide your name.

USER: My name is Virginia Carter.

ASSISTANT: The Delta airline is providing an an economy class flight with price 300 and the connections 1. Shall I confirm your ticket?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket is booked. The flight number is 1009. Thanks for reaching us, have a great day.