[Rusty]

A ella le están dando la llave de su habitación.
A ella = to her
le = to a third person (ambiguous, so needs clarified - clarification accomplished with a ella)
están dando = they are giving
la llave de su habitación = her room key

They are giving her her room key. -or-
They are giving her room key to her.

Since there is only a single person giving the key away in the picture, and the present progressive tense is being used, I would opt for está dando. However, when talking about services rendered by an establishment in general, like at a hotel or a movie theater, the 3rd person plural is usually used. For example:
What movie is showing? ¿Qué película dan?

By the way, don't rule out a prepositional pronoun with con. Look at con ella. The preposition is followed by a prepositional pronoun. Contigo is simply a contraction of a preposition and a prepositional pronoun.