Front Desk Representative Question:

The good answer to this question is can be that you would definitely approach an unsatisfied or angry customer/guest with smile, try to stay calm and positive and uncover the reason why he was unsatisfied or behaved offensively. Once you uncovered this reason, you would try to solve his problem, or call an experienced staff member to help you.
Good receptionist wouldn't be afraid of unsatisfied or angry guests. They simply belong to this job. The best way to ultimately make unhappy guests happy is to convince them that you are working in their behalf to resolve any problems, and that you are not interested in taking on an adversarial position.
You can share some guidelines with your interview that how you used to handle unsatisfied guest in your past job or you can some points like:

☛ By accepting full responsibility for resolving any open issues.
☛ Be gracious in accepting blame wherever it is justified.
☛ By assuring them that you will be providing them with a final resolution as soon as possible and then follow up as promised.