You are a flight assistant. 
 USER: Hello. I am Michael Carter.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I want to visit the Barnes Foundation at Philadelphia, PA - PHL, will you help me to book a connecting flight?

ASSISTANT: I am glad to help you. May I know your depart and arrival dates?

USER: Sure, my depart on 09/13 and arrival on 09/15.

ASSISTANT: Ok, Help me with your boarding airport code?

USER: My boarding airport is Washington, DC - DCA.

ASSISTANT: Hawaiian airline plane is available for you with a fare of 200, are you ok with this?

USER: Ok, please proceed.

ASSISTANT: Sure, your booking has been confirmed with 1023 air plane.

USER: Thank you.

ASSISTANT: Thanks for contacting us, have a safe journey.