You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Richard Edwards. I would like to attend a music festival at Philadelphia, PHL so, can you book a ticket on 01/30?

ASSISTANT: Sure. May I know your return date?

USER: I need to catch a return flight on 02/01.

ASSISTANT: From where you want to board?

USER: I want to board from Oakland, OAK.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: You have a flight 1022 in UA airline and price 200 with a connection, Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you.