To see your closed dialogs (dialogs in which you participated in the last 7 days), you need to click on the avatar in the upper left corner of the screen

https://lh4.googleusercontent.com/34qaMixtHcn2jQdHHuOTlVv69NxkF29EGp-_TWZLunQ5WPFeoPXR6DFOY2BDP7kOdX43JLOCkZ2BwG8_X9aiQ-Am266AnWbQfVkk3_C_QZSHOR5P2aybrNl3IbpVMEuY5R6r_s9e

Then you will see the history of customer requests for the last 7 days with the participation of the user who sees this list (operator or supervisor)

https://lh5.googleusercontent.com/VTzQ3ibqa16e_Ll_rlTCTZwulKsV_kr3kOPyBptVe70PITOGv2dNmhFkL2FHPuqb-BvsSzJcDT7UqzfoOSKl2ErXuM7pLHpITC7-nPcbY6cg1kbhy6L00IpVtXN20qCRvr2lGIyL

The title consists of the topic and date of the conversation.

Inside you can see all the messages that were in this chat

https://lh3.googleusercontent.com/P5UM7Mudn_kMSBqADNmFOiujNaSN1pQObqm8HDjYEY0h0-7e6NDYgZ41IZR6JKRtd9r5a6NZ2gfp9BCT4ptrEwVPLJ_-l3S1t2KkJdm1bfgckvhf-KE2OBmLTnCyx8mot-jF2FyX

https://lh5.googleusercontent.com/z5u_GWuHvA-SXNvYqKHJibfBPz-zQpwyl6iRGi6EpW9a8pApNtT-2mSEAS9EQwK5j4sTjDOx1SecnM6BQfGS6iKUUYiOaxcGWAeV1igGC9IYEYMcRc7AjiuLNtmbo_kjk7vD2QKG