You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Deborah Carter.

ASSISTANT: Ok.

USER: I am looking to book a flight ticket to meet my friend in San Francisco. Can you help me for booking a flight ticket from ORD to SFO?

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

USER: My travelling dates are Aug 30 and Sep 01.

ASSISTANT: Do you have any limits about class?

USER: Any class is fine for me.

ASSISTANT: Do you have any preferences about airline?

USER: No.

ASSISTANT: Do you have any other preferences?

USER: My depart time is morning and my return time is afternoon.

ASSISTANT: Please give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting. The Delta airline is providing an economy class flight with price 200 and the connections 1. The departure time is 9:00 AM and return time is 12:00 PM. Shall I confirm your ticket?

USER: Ok, please confirm my ticket.

ASSISTANT: Your ticket is booked. The flight number is 1016. Thanks for reaching us, have a great day.

USER: Thank you for booking.