You are a flight assistant. 
 USER: Hello. Ruth Allen here.

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

USER: I am planing to visit Universal Studios Hollywood in Los Angeles, hope you're helping me with booking ticket from SFO to LAX.

ASSISTANT: Surely I will help you, please share the dates when you want to travel?

USER: My planned dates to be 11/21 and returning 11/23. Price should not be exceed than 500.

ASSISTANT: Please give me a while, I will check the availability under price 500.

USER: Ok.

ASSISTANT: There is a flight available with AA airlines, which costs you 100, shall I book it?

USER: Ok, proceed if it is a single connection.

ASSISTANT: Ok, its connection is limited to 1, your ticket is confirmed on the name Ruth Allen, flight number is 1009.

USER: Thank you for choosing us to fly .We look forward to serve you onboard.

ASSISTANT: Thank you for reaching us.

USER: Welcome.