Use the purse as means to increase your inventory, equip the gun and check ammunition, then search for the game from the picture. It's totally a clue.
Take a sip of the champagne, this is going to be a long day.
>> Search for the game from the picture with James. There might be some sort of clue there, or at least a place to use the tickets.
===> Use the purse as a means of storage for your inventory.
>>CHECK THOSE NOTES YOU'RE CARRYING AROUND WITH YOU. THERE MAY BE SOME RELEVANT INFO IN THEM
===> Equip the gun, check your ammunition.