You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am Helen Rodriguez. I need to book a ticket with fare of 500 from Chicago.

ASSISTANT: Ok.

USER: Please help me in doing that.

ASSISTANT: Sure, I am happy to help you. Can I have your travelling dates please?

USER: Thank you. My travelling dates are 11/15 and return on 11/17.

ASSISTANT: Let me know your boarding airport code please.

USER: My Boarding airport codes is Chicago IL-ORD.

ASSISTANT: Do you need lay by in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Kindly, share your landing airport code to proceed further.

USER: My landing airport code is Minneapolis and St.Paul MN-MSP.

ASSISTANT: Thank you for sharing your details. Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, there is a direct flight available with your requirements. Shall I proceed?

USER: No, don't proceed with booking.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for approaching us.