You are a flight assistant. 
 USER: Hi, I am Helen Young.

ASSISTANT: Hello, how can I help you for the day?

USER: I want to reach Minneapolis & St. Paul on 10/09 and my return will be on 10/11. Can you please check the availability of connecting flight?

ASSISTANT: Could you please help by providing your airport abbreviates?

USER: Sure, my airport codes are from CA-SFO to MN-MSP.

ASSISTANT: Do you have any price limit?

USER: I need the ticket with in the price limit of 500.

ASSISTANT: Ok, please be on hold I will get back to you with the availability .

USER: Sure.

ASSISTANT: Thank you for your time.

USER: Ok.

ASSISTANT: I found a flight with AA airline and the fare is on 100. Your flight number is 1002 with the single connection.

USER: Ok, you can proceed.

ASSISTANT: OK. Your flight ticket has been reserved.

USER: Thanks for your kind service.

ASSISTANT: Thank you for choosing us. Have a safe journey.