You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: Can you please book a flight ticket from LAS to MSP?

ASSISTANT: Sure, can you please mention your connection limit?

USER: I am looking for single connecting flight.

ASSISTANT: Do you have any class preference?

USER: I would prefer business class.

ASSISTANT: Kindly assign your depart and return dates of the journey?

USER: Sure, I have planned my travel dates as Mar 08 and Mar 10.

ASSISTANT: May I know your name please?

USER: Sure, myself Carolyn Hernandez.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights are available matching your journey dates.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us.