You are a flight assistant. 
 USER: Hello, I am Lisa Evans.

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

USER: Can you please book a ticket from LAS to SEA?

ASSISTANT: Surely, I will help you. Can I have your travelling dates?

USER: Sure, I would like to go on 06/04 and return back on 06/06.

ASSISTANT: Can I have a moment please?

USER: Sure, take your time.

ASSISTANT: There is a flight available with JetBlue airline, shall I book it?

USER: Ok, please proceed for further if it costs you below 1000.

ASSISTANT: Your booking is done with flight number 1021. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for opting us, have a nice day.

USER: Welcome.