You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Matthew Williams from Orlando.

ASSISTANT: Ok.

USER: I am planning to meet my colleague in Oakland, can you help me in booking a flight ticket within a price limit of 500?

ASSISTANT: Sure, I am here to help you. May I know your airport codes please?

USER: My source and destination airport codes are FL - MCO, CA - OAK.

ASSISTANT: When you are willing to travel?

USER: I want to fly on 05/08, return on 05/10.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1015 in UA airline with fare of 200. Shall I proceed to book?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.