CCS Concepts:  $\cdot$   Computing methodologies  $\rightarrow$  Discourse, dialogue and pragmatics ;  $\cdot$   General and reference  $\rightarrow$  Surveys and overviews .

1 INTRODUCTION

2 GENERAL METHODS

3 FINE-TUNING

4 PROMPT ENGINEERING

5 LLM BASED TASK-ORIENTED DIALOGUE SYSTEMS

6 LLM BASED OPEN-DOMAIN DIALOGUE SYSTEMS

7 EVALUATION APPROACHES

8 DATASETS

9 DISCUSSION

10 CONCLUSION