Coldplay concert + Date

I have a spare ticket to Coldplay's concert in Hard Rock Stadium for 27th July. I was supposed to go with a friend who introduced me to Coldplay's music and he's no longer able to go.

I haven't dated in a while, and I thought maybe it is a good opportunity to get out there again. What do you suggest I should do in order to take a date for the concert? How do I go about it?
I'll only be in Miami for that weekend.

I'm really not looking for a random hookup. Hopefully someone who will cry-sing 'fix you' with me.