You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you book a business class ticket from LAS to MSP to meet my family?

ASSISTANT: Sure, can I know your travelling dates?

USER: May, 14 and May, 16 are my planned travel dates.

ASSISTANT: On which name should I reserve the flight ticket?

USER: My name is Lisa Lewis.

ASSISTANT: Do you have any other specifications?

USER: I prefer to connecting flight.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: That's ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.