You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am David Carter. I want to book a ticket from OAK to MSP to attend seminar, can you help me in booking?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: I am departing on 07/10 and return on 07/12.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Ok, there is a flight 1013 in Spirit airline matching your details with price 200. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.