You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Benjamin Edwars. I would like to book a ticket to San Francisco, can you please help me out?

ASSISTANT: Sure, I will help you out in booking the ticket. May I know your travelling dates too?

USER: I am travelling on these dates 10/20 and 10/22.

ASSISTANT: May I know your airport codes please?

USER: I am flying from ATL to SFO.

ASSISTANT: Ok, please wait for a while. There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: Ok, you can proceed with this flight.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.