You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I want to book a ticket from OAK to SFO, can you help me?

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

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

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Please provide your name.

USER: I am Anna King.

ASSISTANT: The Southwest airlines providing an economy class flight with price 100 and the connections 0. Shall I confirm your ticket?

USER: You can book it.

ASSISTANT: Your ticket is booked. The flight number is 1013.

USER: Thank you for booking.

ASSISTANT: Welcome, have a great day.