You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Anderson.

ASSISTANT: How may I assist you Anderson?

USER: I am interested to travel to PHL on 11/19 and 11/21.Can you please help me to book the flight ticket?

ASSISTANT: May I know your Origin airport codes please?

USER: My origin airport code is LGA.

ASSISTANT: Wait for a moment please. Yes, there is a flight 1001 of AA airlines available for your request with price 100.

USER: Ok, please confirm my booking.

ASSISTANT: Yes, your ticket has been booked successfully.

USER: Thank you for the help.

ASSISTANT: Thank you and have a safe journey.