You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from MSP to DFW, can you help me with booking please?

ASSISTANT: Sure, kindly share your travel dates.

USER: I want to travel on dates May 14 and May 16.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I want a ticket in business class.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: May I know your name?

USER: Ok, my name is Amy King.

ASSISTANT: Thanks for reaching us.