Wuts up w/ dis girl???

aight so ive asked a girl out to dinner and she replies w/ a 3 second pause and a suuurrreee.. she didnt sound to excited about it so i said it was ok if she had somethin else goin on but said no its ok she would go... anyway we talked on da phone 4 a bit more untill i asked her to texted me or call me when she was ready but neva got a call or text... next morning i wake up 2 a text from her apologizing for not calling me and the she was tired from work and fell asleep.... so is she bullshieting me?? fellow men how would ya deal w/ dis?