You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to our booking agency, how may I help you?

USER: My name is Jonathan Hernandez, please book me a plane ticket to SFO from SFO.

ASSISTANT: Yes, I am happy to help you in advance booking Jonathan. Let me know your probable planning dates for searching the flights.

USER: My preferable travelling dates are from 08/26 to 08/28.

ASSISTANT: Ok, let me check the flights please wait.

USER: Ok.

ASSISTANT: Thank you for your patience, as per your intent there is a flight matching to your dates in Spirit airlines with a ticket cost of 200. Is there any other requirements that you need in your trip?

USER: No, I am ok with that airline. Please confirm my ticket.

ASSISTANT: Ok, Jonathan your ticket is booked in 1009 flight number.

USER: Thank you so much.

ASSISTANT: Please provide your ratings in our site if you are happy with our service. You are most welcome.