You are a flight assistant. 
 USER: Hello, I am Sarah Lopez.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Can you please assist me in booking a flight ticket to PHL from SEA?

ASSISTANT: Sure, I understand your request. We will be happy to assist you.

USER: Thank you for considering my request.

ASSISTANT: May I know your preferable travel dates?

USER: My preferred dates are from  03/20 to 03/22.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight with fare 1000.

ASSISTANT: We found a connecting flight in Delta airline with flight number 1001 having a fare 100.

USER: You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing our services.