You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: David Clark here.

ASSISTANT: Ok.

USER: Please help me out in booking the ticket from MSP to IAD.

ASSISTANT: Sure, Let me know your connection limit.

USER: 1 connection limit.

ASSISTANT: In which class would you like me to book your flight ticket?

USER: No class.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My planned trip dates will be 06/06 to 06/08.

ASSISTANT: Do you have any other requirements?

USER: Depart time must be in the afternoon.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: We found 1014 Southwest airlines with single connection with economy class and depart time is 19:00 PM. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with price 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.