You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: How can I serve you?

USER: I would like to visit cable car museum at San Francisco, SFO. Will you reserve me a flight ticket with fare 500?

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: Can I know your travelling dates?

USER: My planned journey dates are 09/09 and 09/11.

ASSISTANT: Please let me know your origin airport code?

USER: Minneapolis, MSP is my take off airport code.

ASSISTANT: We found a AA airline, flight number:1006 and the price is 100. Can I reserve it?

USER: Yes, please.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.