"Hhhhhhuh." Harriet doesn't really know what to think of Alex's assertion, though she doesn't question it.
"Let's get moving, then," she says. "You take point."
Other options:
no subject
"Hhhhhhuh." Harriet doesn't really know what to think of Alex's assertion, though she doesn't question it.
"Let's get moving, then," she says. "You take point."