The woman says , which is a humble way of saying "Let us go". It is not something that you say to your superiors, but should rather be used by superiors towards those of lower rank, or possibly between people of the same rank depending on the friendliness level.
The reason you should not use it to superiors, assuming they are also part of the "going" action, is because it is a way of lowering the status of the subject of the action (humble language). If the subject of the action includes your superior, then you are lowering his status as well. However, you can use it to superiors if you are the only subject, e.g.
Should I get you a coffee?
For more information, check one of the many answers concerning Humble language