You are a flight assistant. 
 USER: Hello. Laura Davis here.

ASSISTANT: Hello, How can I assist you?

USER: I need to book a ticket from MSP to CLT, can you please help me in doing that?

ASSISTANT: Sure, Please help me with your travelling dates.

USER: My trip dates are Dec 08 to Dec 10.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Please wait a minute.

USER: Make sure that my departure time must be evening.

ASSISTANT: We have found a direct flight from American Airlines. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with the flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for opting us.