You are a flight assistant. 
 USER: Hello, Patrick Clark here.

ASSISTANT: Hello. How can I assist you?

USER: I have a meeting in LGA on 06/22, so I need to travel on the date 06/21 from SFO, again my return to LGA would be on 06/23, can you please help me while booking a ticket?

ASSISTANT: Sure Patrick Clark.

USER: Make sure that connection limit is 1.

ASSISTANT: Sure. There is flight for you with flight number 1018 and airline is Southwest. Shall I book it?

USER: Ok, if connection limit is 1 then please make booking for me.

ASSISTANT: The price is 100 with single connection. I have booked your ticket.

USER: Thank you for your service.