You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Patrick Gonzalez here.

ASSISTANT: How may I assistance to you?

USER: Reserve a flight for me that is from LAS to SEA. As I am planning to watch a movie in a theatre in Seattle.

ASSISTANT: Sure, I am happy to help you, please share your travelling dates of your journey.

USER: My preferable dates for travelling are 04/18 to 04/20.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I found a single halt in Frontier airlines with a ticket fare of 100, can I confirm your ticket booking?

USER: This flight is ok for my journey. You can book the flight ticket.

ASSISTANT: Ok, the ticket booking is done in 1004 flight number.

USER: Thank you.

ASSISTANT: Have a happy trip.