You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Brian Garcia here. Can you please help me in booking a flight ticket from MSP to DTW?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, my travel dates are from Nov 30 to Dec 02.

ASSISTANT: Do you have any preferences?

USER: I want my reservation to be done in business class.

ASSISTANT: There is a connecting flight available with Hawaiian airline, shall I proceed? There is no flight having business class berth.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: You are welcome, have a nice day.