You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Please reserve a flight ticket from LAX to SEA for my business trip.

ASSISTANT: Sure, when would you like to travel?

USER: Thank you, my departure is on Mar 25 and please book my return ticket on Mar 27.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Sarah Mitchell.

ASSISTANT: Do you have any specifications to be met?

USER: I need a connecting flight.

ASSISTANT: There is a flight in an airline Southwest with 1006 number having a single connection price of 100 in an economy class. Shall I confirm it for you?

USER: That's great, I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us. Have a nice flight.

USER: Welcome.