You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am David Taylor, I want to travel to Seattle, SEA to meet my brother. Could you please help me in booking a flight ticket with fare 200?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travel dates are from 02/05 to 02/07.

ASSISTANT: Can I know your origin code?

USER: I have to board on Oakland, OAK.

ASSISTANT: Thanks for providing your details.

USER: Ok.

ASSISTANT: We found 1000 JetBlue airline with single connection and price of 200. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.