You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Michelle Parker want to visit Oakland, can you book a ticket within the fare of 200?

ASSISTANT: Sure Parker, I am here to help you. Please provide me your airport codes of journey.

USER: Yes, I want to fly from DFW to OAK.

ASSISTANT: May I know your journey dates for booking purpose?

USER: Sure, my travelling dates will be 11/26 and 11/28.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a flight in AA airlines with price 200. Shall I book the ticket for you?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1012.

USER: Thank you.

ASSISTANT: Thank you for contacting us.