Hi Darren. Unfortunately there is no way to get this information quickly. You could request this info from an agent, but there will be a charge of £10 for this.
Sorry to be the bearer of disappointing news. Jondy
Are you using an iPhone....?
Also, for one day call details I don't thing giffgaff will charge you.
If its on a google account. Then go into google type in my google dashboard. And scroll down to the item you require. All the best.