Request Thank you Letters

Dear {Boss},

Thank you so much for granting my request for a pay raise. I appreciate the fact that you took the time to look into my request and discuss it with upper management.

I assure you I will continue to do my best. I won't let you regret your decision.

Kind regards,
{Your Name}

Dear {Recipient},

Thank you for your prompt reply to my {request for/inquiry about} {topic}. Your response provided the {information/clarification} I was looking for—it's good to know that {information they provided}. I appreciate your help on this matter!

{Your Name}