You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: John Hill here. I want to book a flight from MCO to OAK. Could you help me?

ASSISTANT: Sure, may I know your price limit?

USER: My price limit is 200.

ASSISTANT: Can you please provide me your travel dates?

USER: My preferable dates are from 10/19 to 10/20.

ASSISTANT: Can you please check your travel dates?

USER: Sorry, my return date is 10/21.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a UA airline, flight number: 1012, price: 100 with one connection.

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you .

ASSISTANT: Thank you for opting us.