You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I address you?

USER: I want to meet my aunt at Oakland, could you book my ticket from Philadelphia?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My itinerary dates are 08/12 and 08/14.

ASSISTANT: May I know your source and destination airport codes?

USER: My genesis and terminus airport codes are PHL and OAK.

ASSISTANT: May I know your name?

USER: My name is Justin White.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: No problem, I will find an alternative mode of transport.

ASSISTANT: Thank you for reaching us.

USER: Thank you.