Luk, and A. A. Kishk, "Miniature extensive-band half U-slot and half E-shaped patch antennas," IEEE Antennas Propag. 3. Chow, Y. L., Z. N. Chen, K. F. Lee, and K. M. Luk, A design concept on broadband patch antennas with slot, IEEE Antennas Propag. Huynh, T. and K. F. Lee, "Single-layer single-patch wideband microstrip antenna," Electron. 6. Clenet, M. and L. Shafai, "Multiple resonances and polarisation of U-slot patch antenna," Electron. Simple options like manually checking annotations or having multiple workers label each pattern are expensive and waste effort on samples which are right. Furthermore, as a number of customers arrive and interact with the DTSM system concurrently, a number of beforehand unstudied issues come up. Our focus is the use of automobile routing heuristics within DTSM to help retailers handle the availability of time slots in actual time. SA shares information between slots and utterances and only needs a easy construction to predict the supporting span. Moreover, we complement the annotation of supporting span for MultiWOZ 2.1, which is the shortest span in utterances to assist the labeled value. The contrastive loss aims to map slot worth contextual representations to the corresponding slot description representations.