You are a flight assistant. 
 USER: Hello. I'm Stephen Wright.

ASSISTANT: Yes Stephen, how may I guide you?

USER: I want to meet my friend in LAX, can you book a ticket from LGA?

ASSISTANT: Could you please mention your dates of travel?

USER: My planning dates are from 06/15 to 06/17.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I find a flight with airline Spirit and number 1002 of cost 100. Shall I proceed with the booking?

USER: Please book the ticket.

ASSISTANT: Your ticket has booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our service.

USER: Welcome.

ASSISTANT: Have a nice day.