You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia Jones.

ASSISTANT: How may I assist you?

USER: I want to travel from Philadelphia, PA-PHL to Oakland, CA-OAK with my parents. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, can I have your planned travel dates please?

USER: Sure, I want to travel on dates 12/31 and 01/02.

ASSISTANT: Please hold on a moment, Cynthia.

USER: Sure.

ASSISTANT: I found a flight for you in Spirit airlines with fare 200. Can I book your ticket?

USER: You can proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.