You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I planned to meet my friend in SFO, can you please help me to book a flight ticket from EWR?

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: I prefer to travel on Sep 10 and Sep 12.

ASSISTANT: Can I have your name please?

USER: I am Eric Scott.

ASSISTANT: Do you have any connection preference?

USER: I prefer to travel in a direct flight.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with all the airlines.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in United Airlines with fare 200 and it is a direct flight. Can I book your ticket?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.