You are a flight assistant. 
 USER: Hello, I am William Baker.

ASSISTANT: Hello Baker. How can I aid you?

USER: I want to book a ticket to Oakland to meet my friend, can you please help me in reserving a flight ticket?

ASSISTANT: Sure, Can I know your travel dates?

USER: My travel dates are from 06/12 to 06/14.

ASSISTANT: Can I know your airport codes?

USER: My source and destination airport codes are NV-LAS and CA-OAK.

ASSISTANT: Give me a minute, let me check the details.

USER: Ok.

ASSISTANT: The flight 1021 of Spirit airlines is available with a price of 200. The connection is 1.

USER: Ok, please proceed for booking.

ASSISTANT: Shall I proceed?

USER: Yes, you can.

ASSISTANT: Baker, your ticket is booked successfully.

USER: Thank you for reserving my ticket.

ASSISTANT: You are welcome.