Luk, and A. A. Kishk, "Miniature broad-band half U-slot and half E-formed 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 solutions like manually checking annotations or having multiple employees label each pattern are expensive and waste effort on samples that are appropriate. Furthermore, as a number of prospects arrive and work together with the DTSM system concurrently, several beforehand unstudied issues come up. Our focus is the usage of vehicle routing heuristics inside DTSM to help retailers manage the availability of time slots in real time. SA shares data between slots and utterances and solely wants a simple structure to predict the supporting span. Moreover, we supplement the annotation of supporting span for MultiWOZ 2.1, which is the shortest span in utterances to support the labeled value. The contrastive loss goals to map slot worth contextual representations to the corresponding slot description representations.