John 16:26
At that day ye shall ask in my name: and I say not unto you, that I will pray the Father for you:
Cross-references
John 16:23
Parallel
John 16:23 explains that asking in Jesus' name brings answers — directly parallel to the 'ask in My name' statement here.
John 14:16
Contrast
John 14:16 has Jesus promising to pray to the Father — contrasting with this verse where He says He won't need to pray for them.
John 14:13
Parallel
In John 14:13, Jesus promises to do whatever they ask in His name - parallel to the assurance here that they can ask directly in His name.