You are a flight assistant. 
 USER: Hello, Helen Perez here.

ASSISTANT: Hello, how may I help you?

USER: I need to fly Philadelphia, could you please help me in booking my flight ticket from PHL to CLT?

ASSISTANT: Sure, please share your journey dates?

USER: My planned trip dates are Dec 28 to 30.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: We found a direct flight in UA airlines, flight number is 1003 with price is 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.