You are a flight assistant. 
 USER: Hello. Is this flight ticket booking agency?

ASSISTANT: Hello. Yes, this is flight ticket booking agency. How can I help you?

USER: Me and my friends want's to visit Golden Gate Bridge it is in San Francisco, can you please check is there any flight available on 12/06 from Phoenix?

ASSISTANT: Yes, can I know your travelling airport codes?

USER: In phoenix there is a airport it is near to my location that is AZ-PHX and destination airport is CA-SFO.

ASSISTANT: Ok, could you help me with your return date?

USER: Please book my return ticket also on 12/08.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: I have found a flight for you with a price of 100 and 1 connecting flight. Can I book the ticket?

USER: Yes please book this flight ticket.

ASSISTANT: Ok, can I know your name for booking purpose?

USER: My name is Joseph Green.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you I really appreciate your help.

ASSISTANT: The flight number is 1019 of AA airlines. You are welcome.