You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am John Miller.

ASSISTANT: How can I assist you today?

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

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My travel dates are 02/14 and 02/16.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: JetBlue airlines is providing a flight on that route with travel charge of 200, shall I proceed for booking?

USER: You can book it.

ASSISTANT: I have successfully booked your ticket with flight-1018, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.