Yarp - single incoming request to multiple services

Question

I am reading Yarp docs and different examples, and I am surprised I cannot see example of sending single incoming request to multiple backend services and combine the responses.

So, I want a BFF that would

1. take request to a route /get-customer-and-orders
2. send 2 requests: one to /customer/details/{id} and one to /orders/{customerId}
3. combine responses from 2 backend services and send it back to the client

Is this not possible with Yarp or am I missing something?