You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Charles Perez from Austin.

ASSISTANT: Welcome to flight booking agency Perez.

USER: Thanks. Can you please book a direct flight ticket to San Francisco?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your departure and return dates of travelling?

USER: I want to take off on 06/02 and please book my return ticket also on 06/04.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from AUS and destination airport is SFO.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by JetBlue airlines. Shall I proceed with this?

USER: That's fine, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been confirmed successfully in flight number 1008.

USER: I am happy with your service. Thank you.

ASSISTANT: Thank you for reaching to our services, hope you have a great journey.