You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what services are you seeking from us?

USER: I want to book a ticket from SFO to MSP. Could you book a ticket?

ASSISTANT: Sure, please share me your trip dates.

USER: Departure is by June, 24 and return date is June, 26.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I would prefer connecting flight.

ASSISTANT: If you can help me with your name, I can check with the availability of flights.

USER: I am Michael Young.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I would like to return in the morning time.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Thank you.

ASSISTANT: Thank you for availing us.