You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: This is Alexander Lewis. I want to book a flight ticket from Philadelphia, PA - PHL to Seattle, WA - SEA.Can you please help me in that?

ASSISTANT: Sure, let me know your travelling dates?

USER: My planned dates are 08/11 - 08/13.

ASSISTANT: We found a flight with single connection and price is 200 of 1002 flight. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.