You have already booked a tour of London and for some reason you are not able to take the tour. Write an email to the travel agency and in your letter - introduce yourself - say what cannot take the tour - apologize for the inconvenience caused.

Dear Sir or Madam, The letter has been registered with the purpose of apologizing for constraint and shedding light on reasons of this mistake I am Paul Jones who have booked to London for tour recently. Due to absence tickets for 26th April, I am going to fly on 27th April. However, due to unforeseen […]