You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Samuel Young. I need to travel Las Vegas to attend live concert, can you please book flight ticket from SEA and LAS?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My travelling dates are Apr,22 and Apr,24.

ASSISTANT: Do you have any requirements?

USER: I need one connection and my budget limit is 200.

ASSISTANT: Flight 1029 of Southwest airlines available for you, can I proceed?

USER: That suits my journey perfect, please proceed with the booking.

ASSISTANT: Your booking is done, have a nice journey.

USER: Thank you for booking flight ticket.

ASSISTANT: Welcome.