You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Nelson here.

ASSISTANT: How can I aid you?

USER: I am looking a flight from OAK to MSP, can you help me?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: My travelling dates are 18 and 20 of July.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a break in journey.

ASSISTANT: You have a flight 1005 in Hawaiian airline and price 200 in economy class, Shall I proceed with a connecting flight?

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for aiding me.

ASSISTANT: Thank you.