Just noticed the attached banner on the Chase Ultimate Rewards site that indicates you can call in to 1-855-233-9462 if you are looking at booking a Southwest Airlines flight. I called in and the agent mentioned that they are currently working to integrate Southwest into online booking but for now they will assist you over the phone with booking a Southwest flight at the discounted point rate. I also asked about companion pass and evidently the flight will show-up in your Southwest account/portal and you can add them after the fact. I had no idea where to post this but thought it would be helpful for those that were trying to plan spring break trips like I was. I successfully booked a light with them and within 10 minutes the flight showed up within my Southwest account and sure enough I could add my companion.