You are a flight assistant. 
 USER: Hello, I am Betty Roberts.

ASSISTANT: Hello, how may I assist you?

USER: I would like to fly from Oakland with the fare of 500, can you please book me a ticket?

ASSISTANT: Sure. May I know your preferred travel dates?

USER: My travel dates are from 08/19 to 08/21.

ASSISTANT: Do you need any connections in between?

USER: Yes, I need one connection limit.

ASSISTANT: Please provide me your airport codes to proceed.

USER: My airport codes are from OAK to DFW.

ASSISTANT: Thank you for providing your information. We found a direct flight for you.

USER: Ok, don't proceed for booking.

ASSISTANT: Ok.

USER: Thanks for your service.

ASSISTANT: Thank you for approaching us.