You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you at this moment?

USER: I want to book a ticket from LGA to LAS, can you help me?

ASSISTANT: Sure, can I have your trip dates?

USER: My travel dates are 04/02 and 04/04.

ASSISTANT: May I know your name?

USER: Myself Catherine Parker.

ASSISTANT: There is a flight available with Delta airlines which costs 300 per ticket, shall I book it?

USER: You can book it.

ASSISTANT: Your ticket is confirmed with flight number 1011. Happy journey.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us. HAVE A NICE DAY.