Earlier quoted context omitted.
I think Josh's point was to not wait for them to fly you out, but to fly out yourself. As rokhayakebe noted, say you'll be in town in two weeks and set up a meeting. Perhaps Google has streamlined the process to fly you out, but it still isn't as easy as "Great, check in at the front desk on Wednesday at 2PM". If meeting is a much bigger deal to you than who you're meeting with you need to do what you can to make it…
I do agree with Josh's advice (not that I considered anything like that at the time), but just to clarify, Jonathan was in New York with the rest of the Google Spreadsheet team, was due to fly somewhere else (I think it may have been Europe) and felt it was important to meet at the Googleplex in Mountain View with the Writely team. I don't think I could have showed up in Mountain View without him being there since he…
I blew a deal like this once, myself. When I was in NYC, a big SV fund wanted to invest in Delicious, but I didn't bother to get on a plane and go visit them after several hits; I just kinda expected them to send me a term sheet without ever meeting me! Pretty stupid. Luckily I later met Fred and company.
PS It's Joshua, not Josh