You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: I need a business class flight for my journey to Detroit in April month from my location Los Angeles. Can you help me in booking a flight ticket?

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: I need to start my journey from Apr 22 to Arp 24.

ASSISTANT: How many connections do you need?

USER: I need single connecting flight for my journey.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Carolyn Campbell.

ASSISTANT: We found a direct flight on your way. Is that fine?

USER: Is it a business class flight?

ASSISTANT: No, it is an economy class flight.

USER: Do not go with the booking. Anyways thank you for the information.

ASSISTANT: Ok. Thank you for choosing us.