Answer:
cognitive dissonance
Explanation:
Cognitive dissonance this can be defined as a state of mental conflict that occurs when beliefs or assumptions are contradicted by new information. So, for Jamie to have called the buyer, trying to reassure the customer of making a good decision in purchasing of the car. That will have have given the customer a better assurance from the one he/she has before purchasing, even if there were thoughts of changing his/her mind, that call made by Jaime could have eradicated it.