You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you now?

USER: I am planning to travel from MSP to EWR, help me in booking a flight?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My travelling dates are Dec 18 to 20.

ASSISTANT: Do you want a connecting flight?

USER: I prefer single connection flight.

ASSISTANT: Is there any other requirement?

USER: I want to travel in Business class.

ASSISTANT: May I know your good name?

USER: I am Matthew Garcia.

ASSISTANT: Thank you for the details, sorry there is no seat available in any business class in any flight.

USER: That's ok, thank you.

ASSISTANT: Thank you for visiting us.