You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for the day?

USER: Can you please help me in reserving my flight from ORD to reach MSP?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your travelling dates please?

USER: Thank you, my travelling dates are May 11th and May 13th.

ASSISTANT: Do you have any other specifications?

USER: I prefer a single connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Kathleen Martin.

ASSISTANT: Delta Airlines are having a flight-1027 with single connection limit and the ticket fare is 100. Shall I book it?

USER: Ok, please reserve it.

ASSISTANT: Kathleen Martin, your booking is done in economy class.

USER: Thanks for the service.

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