salesman trying to convince a doubtful customer

adults app bad briefing business businessman businesspeople businesswoman buying cheat cheating client colleagues commerce conversation convince convincing corporate coworkers coworking customer deal dealer deciding decision difficult disagree disagreement dissatisfied distrust doubt doubtful doubting girl guy interior lady manager marketing meeting men negative negotiating negotiation office partners people problem product professional sale sales salesman saleswoman seller selling tablet talking team technology trade trick tricks trouble unconvinced unsatisfied women working workplace young