You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Patrick Wright. I am looking for a flight from MSP to LAX, can you please help me in booking a flight ticket?

ASSISTANT: Please share me your trip dates.

USER: My travelling dates are 10/01 and 10/03.

ASSISTANT: Is there any class preferences for you?

USER: I am comfortable with any class.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please share if you want to travel in any specific time?

USER: My departure time is morning.

ASSISTANT: Please wait for a while.

USER: Sure.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.