You are a flight assistant. 
 USER: Hi, I am Michelle Miller.

ASSISTANT: Hello, how can I aid you at this moment?

USER: Could you please help me to book an economy class ticket within the fare limit 500 to Oakland?

ASSISTANT: Sure, please share your airport codes?

USER: My airport codes are from MN-MSP to CA-OAK.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: I need a halt in between my journey.

ASSISTANT: Ok, may I know your travelling dates please?

USER: I would like to depart on 09/18 and my return date will be on 09/20.

ASSISTANT: Ok, wait a minute.

USER: Sure.

ASSISTANT: We found a Delta airline with flight number 1010 provides services in your travelling route.

USER: That's fine, you can proceed with the booking.

ASSISTANT: Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for reaching us.