331.Thanks for everything you’ve done for me.
332. It’s very kind of you to help me with the luggage.
333. I do appreciate your timely help.
334. I’m must obliged to you for your patient, explanations and introduction.
335. I really can’t thank you enough.
336. Delighted to have been of some assistance.
337. I’m glad to have been of service.
338. It’s most thoughtful of you.
339.That’s what I’m here for.
340. At your service.