import datetime
# Format: yy-mm-dd hh:mm

def findVoyageTotalTime(userInput, flightTime):
    tdelta = datetime.timedelta(hours=int(flightTime))
    totalTime = userInput + tdelta
    print(datetime_object)  # printed in default format
    print(totalTime)
    return totalTime


userInput = input("When will you be flying? ")
datetime_object = datetime.datetime.strptime(userInput, '%y-%m-%d %H:%M')
flightTime = "3"
findVoyageTotalTime(datetime_object, flightTime)