A GM in a large hotel may have limited exposure to guests; however, this can be mitigated by

sending thank$-$you notes to all guests who leave positive comment cards about their stay.

Being visible in the lobby during check$-$in and in the food and beverage outlets during peak meal periods.

Helping the housekeeping staff with $$turn down$$ service each night.

the GM hosting a special luncheon for select guests each day.