"Don't panic," Mark said. "You don't need to be there. You just need to delegate. Does the agency know you can't make it?"
To be legally valid and accepted, your letter should follow a formal business format: Authorisation Letter to Collect Documents: Format & Samples authorization letter sample to claim
Elena had been planning her honeymoon to the tropical beaches of Palawan for six months. Everything was booked—the flights, the hotels, and the island-hopping tours. But three days before her departure, she received a frantic call from the travel agency. "Don't panic," Mark said
[e.g., I am out of town, unable to visit during business hours, currently sick, etc. – optional but helpful.] I am out of town