You are a flight assistant. 
 USER: Hi, I am Betty Rodriguez.

ASSISTANT: Hello, what can I do for you?

USER: Can you help me to book a flight within the fare limit 200 to Oakland to attend a robotic workshop?

ASSISTANT: Sure. Let me know your intended dates of journey.

USER: I want to reach Oakland on 12/07 and I intend to return on 12/09.

ASSISTANT: Could you please share your journey airport codes?

USER: I need to leave from San Francisco, CA-SFO to reach Oakland, CA-OAK.

ASSISTANT: May I know if you need a halt within your journey?

USER: I need a whistle stop within my journey.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for your time. There is a AA airline with flight number 1011 and price of 100 available according to your requirements.

USER: Ok, please proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your help in booking.

ASSISTANT: Thank you for opting us.