如何向客户委婉的表示托词和再见

    I have a meeting soon.
                                   
    I have an engagement soon.
                                    
    I have an engagement very shortly.
                                     
    I have an date very shortly.
                              　　
    I think I'd better go now.
                                    
    I think I should go now.
                                     
    I think I ought to go now.
                                      
    I think I must go now.
                              　　
    It's getting dark.
                                     
    It's getting dark outside.
                              　　
    I've to go quite soon.
                                     
    I must go quite soon.
                                    
    I must leave quite soon.
                                     
    I've got to go leave in a few minutes.
                              　　
    It was fun to get together again.
                                   
    It was exciting to get together again.
                                    
    It was exciting to talk to each other.