You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Please book a flight ticket from LAX to LGA.

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Mar, 22 and Mar, 24 are my travelling dates.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: Rebecca Taylor here.

ASSISTANT: There is a connecting flight available with Southwest airline, shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1000. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.