You are a flight assistant. 
 USER: Hello, Thomas Perez here.

ASSISTANT: Hello, how can I aid you?

USER: I planned to attend for a wedding in SEA, can you please help me to book a flight ticket from LAS?

ASSISTANT: Sure, can I know the travel dates please?

USER: I would like to start on 05/26 and return back on 05/28.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in AA airline with price 100, can I book it?

USER: Yes, please confirm my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your assistance.