If you took her to the movies? One can invision that you had her telephone number to set up the date. Following the usual trend a follow-up call should be given by you the next day. The longer you put off this call, you will allow her to doubt if you will call again and this is not good. This follow-up call is really to thank her for the pleasure of her company. If she is interested in you she will let you know by her conversation, pay attention.
Most men fail to bond with that one special person because they lack the gift of showing respect and appreciation for a really special person. Above all being really cute is not the most important rule although it helps. Betty Davis was beautiful, although some did not think her the most beatiful actress, but she is legendary.
When Sydney Potier the actor came on the scene he did not fit the mold of what the average American considered particularly handsome during his era. But before he new it he was called the sexiest man alive by many people.
Perhaps you still have a chance with this young lady if the two of you are interested in the same outcome. Some women want more than a casual relationship. Other women have long range plans and are not ready to get serious.
I think your opportunity is as good as before as long as it was not just a charity date. Few women can resist an interesting suave man. When you plan something creative and exciting for the both of you to enjoy, give this young lady another call.
Don't forget a good bottle of Champagne,