The correct word to use in this situation is "complain."

Option A: "Complain" is a verb that means to express dissatisfaction or annoyance about something. In this case, you would be expressing dissatisfaction or annoyance about the fact that there was no table available for you when you arrived at the restaurant, even though you had booked a table in advance.

Option B: "Complaint" is a noun that refers to a statement expressing dissatisfaction or annoyance about something.

Option C: "Complained" is the past tense of the verb "complain," so it is not the correct word to use in this situation.

Option D: "Complaining" is the present participle of the verb "complain," so it is not the correct word to use in this situation.

Option E: "Contemplated" is a verb that means to think deeply about something, so it is not the correct word to use in this situation.