You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald King.

ASSISTANT: How may I help you?

USER: I need to reach PHL to attend a workshop. Can you book me a ticket from OAK?

ASSISTANT: Ok, may I know your dates of travel?

USER: I would start on Sept 11th and return on 13th.

ASSISTANT: There is a connecting flight-1000 in economy class, would you like me to proceed?

USER: Yes, please go ahead.

ASSISTANT: Ok, booking is done on Southwest airlines.

USER: Thanks for your support.

ASSISTANT: Welcome, have a safe flight.