• hoping to hear from you
• be good enough to, be so good as to
• be so good as to, be so kind as to
• thank you for all your trouble
• accommodatingly, certainly, gladly, nothing loath, readily, wholeheartedly, willingly
• certainly!, not at all!
• act of grace, favor, favour, kindness, service
• as a matter of courtesy, by courtesy
• to put the acid on, to put the weights on
• to do sg with a good grace